443 (Maryland)

702 Blocks Found in Area 443 - List All

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Block Name Assigned To Switches 443-964 TCG COMCAST DIGITAL PHONE LEVEL 3 BLTMMDFMDS0 WHMRMDATPS1 WHMRMDATPS0 BLTMMDSNDS1 443-239 AT&T MOBILITY SLBRMDSCXLX 443-532 SPRINT NEXTEL VERIZON BUSINESS HNVAMDBICM1 BLTOMDKHDS0 443-295 CORETEL - MD US LEC TCG BANDWIDTH.COM LEVEL 3 NATIONSLINE COMCAST DIGITAL PHONE BLTMMD91DS1 CLMAMDJTDS0 BLTMMDFMDS0 BLTMMDCH45Z BLTMMDSNDS1 BLTMMDCH13Z WHMRMDATPS0 443-790 SPRINT NEXTEL HNVAMDBIW01 443-852 AT&T MOBILITY SPRINT PCS CLMAMDORGT0 HNVAMDAYCM3 443-938 VERIZON WIRELESS T-MOBILE LEVEL 3 CTVLMDBACM3 BLTMMDCH40Z BLTMMDSNDS1 443-936 VERIZON MARYLAND BLTMMDMD6WD 443-909 VERIZON WIRELESS SPRINT NEXTEL PAETEC COMMUNICATIONS CTVLMDBACM3 HNVAMDBIW01 BLTMMDCHW29 443-367 VERIZON MARYLAND SPRINT NEXTEL US LEC CLMAMDCBDS0 HNVAMDBICM1 CLMAMDJTDSA 443-392 SPRINT NEXTEL AT&T LOCAL HNVAMDBIW01 BLTMMDCHDS6 443-843 VERIZON MARYLAND HDGRMDHVDS0 443-559 COMCAST LONG DISTANCE T-MOBILE XO COMMUNICATIONS INC COMCAST DIGITAL PHONE BLTPMDHIDS0 BLTMMDCH40Z BLTMMDSNDS5 WHMRMDATPS0 443-628 GLOBAL NAPS BLTMMDDN4MD 443-348 TCG LEVEL 3 BLTMMDFMDS0 BLTMMDSNDS1 443-408 XO COMMUNICATIONS INC BLTMMDSN5MD BLTMMDSNDS5 443-249 VERIZON MARYLAND CORETEL - MD NATIONSLINE IDT AMERICA LEVEL 3 RMCKMDRRRS0 SLBRMDFSDS0 SLBRMDSBX7X QNTWMDARPS0 SLBRMDSBUMD 443-789 AT&T MOBILITY XO COMMUNICATIONS SPRINT PCS CLMAMDORGT0 BLTMMDCDDS0 HNVAMDAYCM2 443-724 CAVALIER TELEPHONE SLBRMDSBDC0 443-809 GLOBAL NAPS BLTMMDDN4MD 443-288 XO COMMUNICATIONS YMAX COMMUNICATIONS BLTMMDCDDS0 BLTMMDSNDS6 443-421 AT&T MOBILITY CLMAMDORGT0 443-944 COMCAST DIGITAL PHONE VERIZON WIRELESS SLBRMDSBXHX SLBRMDAZCM2 443-588 XO COMMUNICATIONS BLTMMDCDDS0 443-550 US LEC COMCAST DIGITAL PHONE QUANTUM TELECOMMUNICATIONS BROADVIEW NETWORKS VERIZON MARYLAND NATIONSLINE LEVEL 3 CAVALIER TELEPHONE CLMAMDJTDS0 WHMRMDATPS0 BLTMMD91DS2 PIVLMDPKFMD NRBHMDNEDS0 BLTMMDCH13Z BLTMMDSNDS1 HNVAMDBHRS0 443-512 VERIZON MARYLAND WNRNMDWNRS1 443-323 CAVALIER TELEPHONE COMCAST DIGITAL PHONE SLBRMDSBDC0 SLBRMDSBXHX 443-831 AT&T MOBILITY CLMAMDORGT0 443-681 VERIZON WIRELESS CTVLMDBACM3 443-768 SPRINT PCS HNVAMDAYCM2 443-806 SPRINT NEXTEL HNVAMDBIW01 443-874 XO COMMUNICATIONS INC CAVALIER TELEPHONE BLTMMDSN5MD HNVAMDBHRS0 443-841 VERIZON WIRELESS ONE COMMUNICATIONS VERIZON MARYLAND COMCAST LONG DISTANCE AT&T MOBILITY CTVLMDBACM3 BLTMMDCH14Z CYVLMDCKDS0 BLTPMDHIDS0 CLMAMDORGT0 443-272 CORETEL - MD TCG XO COMMUNICATIONS INC COMCAST DIGITAL PHONE BLTMMD91DS1 BLTMMDFMDS0 BLTMMDSNDS5 WHMRMDATPS0 BLTMMDSN5MD 443-563 T-MOBILE LEVEL 3 SPRINT NEXTEL BLTMMDCH40Z BLTMMDSNDS1 HNVAMDBIW01 443-793 XO COMMUNICATIONS INC BLTMMDSN5MD 443-698 PAETEC COMMUNICATIONS TCG BLTMMDCHW29 BLTMMDFMDS0 443-756 AT&T MOBILITY CLMAMDORGT0 443-745 VERIZON WIRELESS WDLWMDEMCM3 443-383 GLOBAL NAPS BLTMMDDN4MD 443-332 CAVALIER TELEPHONE US LEC PAETEC COMMUNICATIONS HNVAMDBHRS0 CLMAMDJTDS0 BLTMMDCHW29 443-622 SPRINT PCS HNVAMDAYCM2 443-715 CAVALIER TELEPHONE SPRINT NEXTEL LEVEL 3 BLARMDBL1MD HNVAMDBIW01 BLTMMDSNDS1 443-630 VERIZON WIRELESS T-MOBILE SPRINT PCS CTVLMDBACM3 BLTMMDCH40Z HNVAMDAYCM2 443-765 AT&T MOBILITY CLMAMDORGT0 443-840 AT&T MOBILITY VERIZON MARYLAND BANDWIDTH.COM CLMAMDORGT0 CTVLMDCTDS0 BLTMMDCH45Z 443-212 US LEC PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE LEVEL 3 VERIZON BUSINESS CLMAMDJTDS0 BLTMMDCHW29 WHMRMDATPS0 BLTMMDCHXZY BLTOMDKHDS0 443-542 COMCAST LONG DISTANCE SPRINT NEXTEL VERIZON MARYLAND CAVALIER TELEPHONE VERIZON WIRELESS COMCAST DIGITAL PHONE BLTPMDHIDS0 HNVAMDBICM1 CLMAMDSRRS0 HNVAMDBHRS0 WDLWMDEMCM3 WHMRMDATPS0 443-816 XO COMMUNICATIONS BLTMMDCDDS0 443-719 CAVALIER TELEPHONE BLTMMDSNDS0 443-661 CAVALIER TELEPHONE COMCAST DIGITAL PHONE HNVAMDBHRS0 WHMRMDATPS1 443-801 SPRINT PCS HNVAMDAYCM2 443-544 CAVALIER TELEPHONE HNVAMDBHRS0 443-922 ATX TELECOMMUNICATIONS SERVICES COMCAST DIGITAL PHONE BLTMMDSN0MD WHMRMDATPS0 443-558 XO COMMUNICATIONS INC BLTMMDSN5MD 443-846 AT&T LONG DISTANCE AT&T MOBILITY HNVAMDATDS0 CLMAMDORGT0 443-402 COMCAST DIGITAL PHONE TCG WHMRMDATPS0 BLTMMDFMDS0 443-722 T-MOBILE BLTMMDCH40Z 443-980 AT&T MOBILITY CLMAMDORGT0 443-285 VERIZON MARYLAND VERIZON WIRELESS CLMAMDSRRS0 WDLWMDEMCM3 443-625 LEVEL 3 VERIZON BUSINESS US LEC AT&T MOBILITY BLTMMDCHXZY BLTOMDKHDS0 CLMAMDJTDS0 CLMAMDORGT0 443-639 GLOBAL NAPS BLTMMDDN4MD 443-662 CAVALIER TELEPHONE TCG HNVAMDBHRS0 CLMAMDNIDS1 443-813 VERIZON WIRELESS T-MOBILE CTVLMDBACM3 BLTMMDCH40Z 443-613 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-885 VERIZON MARYLAND BLTMMDHMDS0 443-624 VERIZON WIRELESS WDLWMDEMCM2 443-708 COMCAST DIGITAL PHONE T-MOBILE TW TELECOM WHMRMDATPS0 BLTMMDCH40Z LARLMDCC1MD 443-780 US LEC CLMAMDJTDS0 443-528 SPRINT PCS HNVAMDAYCM3 443-524 XO COMMUNICATIONS BLTMMDCDDS0 443-988 LEVEL 3 VERIZON WIRELESS VERIZON BUSINESS SLBRMDSBUMD SLBRMDAZCM2 ESTNMDES5MD 443-504 CAVALIER TELEPHONE CORETEL - MD VERIZON WIRELESS SPRINT NEXTEL HNVAMDBHRS0 BLTMMD91DS1 CTVLMDBACM3 HNVAMDBICM1 443-751 CAVALIER TELEPHONE HNVAMDBHRS0 443-424 ARMSTRONG TELECOMMUNICATIONS US LEC BANDWIDTH.COM TCG BLTMMDCH47Z CLMAMDJTDS0 BLTMMDCH45Z BLTMMDFMDS0 443-784 VERIZON BUSINESS TCG BLTOMDKHDS0 BLTMMDFMDS0 443-359 VERIZON WIRELESS COMCAST DIGITAL PHONE SLBRMDAZCM2 SLBRMDSBXHX 443-215 CORETEL - MD ESTNMDBNDS0 443-617 VERIZON WIRELESS CTVLMDBACM3 443-329 GLOBAL CROSSING LOCAL SERVICES INC LEVEL 3 YMAX COMMUNICATIONS WASJDCDCDS0 RSTNVA91DS0 WASLDCRGDS0 443-620 TCG CLMAMDNIDS1 443-582 GLOBAL NAPS BLTMMDDN4MD 443-313 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-802 SPRINT PCS HNVAMDAYCM2 443-860 AT&T MOBILITY VERIZON BUSINESS COMCAST DIGITAL PHONE CLMAMDORGT0 BLTOMDKHDS0 WHMRMDATPS0 443-548 XO COMMUNICATIONS BLTMMDCDDS0 443-940 CAVALIER TELEPHONE HNVAMDBHRS0 443-878 ONE COMMUNICATIONS VERIZON WIRELESS BLTMMDCH14Z WDLWMDEMCM3 443-219 LEVEL 3 BLTMMDSNDS1 443-786 VERIZON WIRELESS SLBRMDAZCM2 443-506 SPRINT NEXTEL HNVAMDBICM1 443-670 CAVALIER TELEPHONE AT&T MOBILITY HNVAMDBHRS0 CLMAMDORGT0 443-925 SPRINT NEXTEL T-MOBILE HNVAMDBIW01 BLTMMDCH40Z 443-769 US LEC T-MOBILE CLMAMDJTDS0 BLTMMDCH40Z 443-599 GLOBAL CROSSING LOCAL SERVICES INC BANDWIDTH.COM BLTOMDXIDS0 BLTMMDCH45Z 443-983 T-MOBILE BLTMMDCH40Z 443-257 VERIZON WIRELESS CTVLMDBACM3 443-451 PAETEC COMMUNICATIONS BLTMMDCHW29 443-832 US LEC LEVEL 3 VERIZON BUSINESS CLMAMDJTDSA BLTMMDSNDS1 BLTOMDKHDS0 443-583 GLOBAL NAPS BLTMMDDN4MD 443-496 SPRINT NEXTEL ESTNMDES8MD 443-235 VERIZON WIRELESS SLBRMDAZCM2 443-684 VERIZON WIRELESS WDLWMDEMCM2 443-394 VERIZON MARYLAND OWMLMDOMDS0 443-481 SPRINT NEXTEL VERIZON MARYLAND AT&T MOBILITY ANNPMDAN8MD PARLMDPADS0 CLMAMDORGT0 443-390 GLOBAL CROSSING LOCAL SERVICES INC VERIZON BUSINESS BLTOMDXIDS0 BLTOMDKHDS0 443-407 XO COMMUNICATIONS LEVEL 3 BLTMMDCDDS0 BLTMMDCHXZY 443-298 AT&T MOBILITY SPRINT NEXTEL SLBRMDSCXLX 443-864 SPRINT NEXTEL COMCAST DIGITAL PHONE HNVAMDBICM1 WHMRMDATPS1 443-607 CAVALIER TELEPHONE US LEC COMCAST DIGITAL PHONE HNVAMDBHRS0 CLMAMDJTDS0 WHMRMDATPS1 WHMRMDATPS0 443-734 VERIZON MARYLAND ODTNMDONDS0 443-737 PAETEC COMMUNICATIONS LEVEL 3 BLTMMDCHW29 BLTMMDSNDS1 443-693 LEVEL 3 US LEC VERIZON WIRELESS CAVALIER TELEPHONE BANDWIDTH.COM PAETEC COMMUNICATIONS TCG BLTMMDSN6MD CLMAMDJTDS0 CTVLMDBACM3 BLARMDBL1MD BLTMMDSNDS1 BLTMMDCH45Z BLTMMDCHW29 BLTMMDFMDS0 443-998 VERIZON MARYLAND PKVLMDPKDS0 443-373 SPRINT PCS SLBRMDSBRMD 443-573 US LEC PAETEC COMMUNICATIONS SPRINT NEXTEL CLMAMDJTDS0 BLTMMDCHW29 HNVAMDBIW01 443-626 CAVALIER TELEPHONE HNVAMDBHRS0 443-286 VERIZON WIRELESS CTVLMDBACM3 443-530 PAETEC COMMUNICATIONS BLTMMDCHW29 443-271 SPRINT NEXTEL HNVAMDBIW01 443-242 CAVALIER TELEPHONE US LEC COMCAST DIGITAL PHONE HNVAMDBHRS0 CLMAMDJTDS0 WHMRMDATPS0 443-459 PAETEC COMMUNICATIONS XO COMMUNICATIONS INC LEVEL 3 BLTMMDCHW29 BLTMMDSN5MD BLTMMDSNDS1 BLTMMDSNDS5 443-441 TCG BLTMMDFMDS0 443-880 VERIZON WIRELESS AT&T LOCAL SLBRMDAZCM2 WYMLMDMWEMD 443-507 VERIZON MARYLAND US LEC LEVEL 3 CORETEL - MD COMCAST DIGITAL PHONE SPRINT NEXTEL TCG HMPSMDHERS1 CLMAMDJTDS0 BLTMMDCHXZY BLTMMD91DS1 WHMRMDATPS0 HNVAMDBICM1 BLTMMDFMDS0 443-772 CAVALIER TELEPHONE HNVAMDBHRS0 443-324 SPRINT NEXTEL HNVAMDBICM1 443-205 VERIZON WIRELESS NATIONSLINE LEVEL 3 SPRINT NEXTEL SLBRMDAZCM2 SLBRMDSBX7X SLBRMDSBUMD SLBRMDEPCM1 443-370 AT&T MOBILITY VERIZON WIRELESS CLMAMDORGT0 WDLWMDEMCM2 443-422 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-309 SPRINT NEXTEL BLTMMD74CM1 443-828 CAVALIER TELEPHONE HNVAMDBHRS0 443-593 GLOBAL NAPS BLTMMDDN4MD 443-454 T-MOBILE BLTMMDCH40Z 443-566 VERIZON WIRELESS COMCAST DIGITAL PHONE CHCYMDAD0MD SLBRMDSBXHX 443-291 GLOBAL CROSSING LOCAL SERVICES INC NATIONSLINE LEVEL 3 COMCAST DIGITAL PHONE BANDWIDTH.COM BLTOMDXIDS0 BLTMMDCH13Z BLTMMDSN6MD WHMRMDATPS0 BLTMMDSNDS1 BLTMMDCH45Z 443-334 CORETEL - MD XO COMMUNICATIONS VERIZON MARYLAND ONE COMMUNICATIONS LEVEL 3 BLTMMD91DS1 BLTMMDCDDS0 PIVLMDPKDS1 BLTMMDCH14Z BLTMMDSNDS1 443-489 XO COMMUNICATIONS INC ONE COMMUNICATIONS VERIZON BUSINESS TCG BLTMMDSN5MD BLTMMDCH14Z BLTOMDKHDS0 BLTMMDFMDS0 443-328 GLOBAL NAPS BLTMMDDN4MD 443-578 XO COMMUNICATIONS INC BROADVIEW NETWORKS BLTMMDSNDS5 PIVLMDPKFMD 443-467 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-308 XO COMMUNICATIONS BLTMMDCDDS0 443-695 VERIZON WIRELESS CTVLMDBACM3 443-954 PAETEC COMMUNICATIONS BLTMMDCHW29 443-259 VERIZON MARYLAND ATX TELECOMMUNICATIONS SERVICES CLMAMDOBDS0 BLTMMDCHAMD 443-294 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-267 TCG US LEC VERIZON BUSINESS BANDWIDTH.COM BLTMMDFMDS0 CLMAMDJTDS0 BLTOMDKHDS0 BLTMMDCH45Z 443-434 NATIONSLINE COMCAST DIGITAL PHONE AT&T LOCAL SLBRMDSBX7X SLBRMDSBXHX WYMLMDMWLMD 443-587 GLOBAL NAPS BLTMMDDN4MD 443-414 SPRINT PCS HNVAMDAYCM2 443-746 LEVEL 3 SLBRMDSBUMD 443-279 XO COMMUNICATIONS AT&T MOBILITY BLTMMDCDDS0 CLMAMDORGT0 443-405 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE BLTOMDXIDS0 WHMRMDATPS0 443-315 GLOBAL CROSSING LOCAL SERVICES INC NATIONSLINE AT&T MOBILITY BLTOMDXIDS0 BLTMMDCH13Z CLMAMDORGT0 443-618 VERIZON WIRELESS WDLWMDEMCM2 443-514 US LEC AT&T MOBILITY CLMAMDJTDS0 CLMAMDORGT0 443-346 GLOBAL NAPS BLTMMDDN4MD 443-466 SPRINT PCS BLTMMDCHXHY 443-568 XO COMMUNICATIONS BLTMMDCDDS0 443-704 CAVALIER TELEPHONE HNVAMDBHRS0 443-872 AT&T LONG DISTANCE CAVALIER TELEPHONE T-MOBILE HNVAMDATDS0 HNVAMDBHRS0 BLTMMDCH40Z 443-344 CORETEL - MD BLTMMD91DS0 443-659 GLOBAL NAPS BLTMMDDN4MD 443-663 VERIZON MARYLAND WDLWMDWLDS0 443-731 ARMSTRONG TELECOMMUNICATIONS LEVEL 3 BANDWIDTH.COM TCG BLTMMDCH47Z BLTMMDSNDS1 BLTMMDSN6MD BLTMMDCH45Z BLTMMDFMDS0 443-245 CAVALIER TELEPHONE NATIONSLINE BLARMDBL1MD BLTMMDCH13Z 443-500 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-564 AT&T MOBILITY LEVEL 3 CLMAMDORGT0 BLTMMDSNDS1 443-895 VERIZON WIRELESS AT&T MOBILITY COMCAST DIGITAL PHONE CTVLMDBACM3 CLMAMDORGT0 WHMRMDATPS0 443-569 LEVEL 3 VERIZON WIRELESS BLTMMDSNDS1 WDLWMDEMCM2 443-697 GLOBAL NAPS BLTMMDDN4MD 443-538 T-MOBILE BLTMMDCH40Z 443-485 LEVEL 3 AT&T LOCAL LEVEL 3 COMCAST DIGITAL PHONE BLTMMDCHXZY BLTMMDCHDS7 BLTMMDSNDS1 WHMRMDATPS0 443-997 VERIZON MARYLAND BLTMMDUVDS0 443-939 T-MOBILE BLTMMDCH40Z 443-914 XO COMMUNICATIONS US LEC LEVEL 3 TCG BLTMMDCDDS0 CLMAMDJTDS0 BLTMMDSNDS1 BLTMMDFMDS0 443-973 XO COMMUNICATIONS INC VERIZON BUSINESS BLTMMDSNDS5 BLTOMDKHDS0 BLTMMDSN5MD 443-974 VERIZON WIRELESS AT&T MOBILITY TCG WDLWMDEMCM3 CLMAMDORGT0 BLTMMDFMDS0 443-343 LEVEL 3 US LEC PAETEC COMMUNICATIONS TCG BLTMMDSNDS1 CLMAMDJTDS0 BLTMMDCHW29 BLTMMDFMDS0 443-760 T-MOBILE AT&T LOCAL BLTMMDCH40Z BLTMMDCHDS7 443-416 SPRINT PCS HNVAMDAYCM2 443-243 VERIZON WIRELESS CTVLMDBACM3 443-795 XO COMMUNICATIONS INC CAVALIER TELEPHONE BLTMMDSN5MD HNVAMDBHRS0 443-310 AT&T MOBILITY CLMAMDORGT0 443-482 VERIZON MARYLAND XO COMMUNICATIONS ANNPMDANDS0 BLTMMDCDDS0 443-217 CORETEL - MD BLTMMD91DS0 443-536 LEVEL 3 SPRINT PCS BLTMMDSNDS1 HNVAMDAYCM2 443-773 XO COMMUNICATIONS BLTMMDCDDS0 443-355 LEVEL 3 BLTMMDSNDS1 443-499 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-669 VERIZON WIRELESS CAVALIER TELEPHONE SLBRMDAZCM2 SLBRMDSBDC0 443-621 SPRINT PCS HNVAMDAYCM2 443-982 YMAX COMMUNICATIONS BLTMMDSNDS6 443-468 SPRINT PCS HNVAMDAYCM2 443-204 AT&T MOBILITY VERIZON MARYLAND CLMAMDORGT0 OWMLMDOMDS0 443-381 GLOBAL NAPS BLTMMDDN4MD 443-854 T-MOBILE BLTMMDCH40Z 443-470 T-MOBILE US LEC LEVEL 3 BANDWIDTH.COM BLTMMDCH40Z CLMAMDJTDS0 BLTMMDSNDS1 BLTMMDCH45Z 443-372 US LEC LEVEL 3 COMCAST DIGITAL PHONE PAETEC COMMUNICATIONS CLMAMDJTDS0 BLTMMDCHXZY WHMRMDATPS0 BLTMMDCHW29 443-223 VERIZON WIRELESS WDLWMDEMCM2 443-281 XO COMMUNICATIONS COMCAST DIGITAL PHONE BLTMMDCDDS0 WHMRMDATPS0 443-339 GLOBAL NAPS BLTMMDDN4MD 443-757 CAVALIER TELEPHONE HNVAMDBHRS0 443-228 US LEC XO COMMUNICATIONS INC LEVEL 3 BANDWIDTH.COM CLMAMDJTDS0 BLTMMDSNDS5 BLTMMDSNDS1 BLTMMDCH45Z 443-602 VERIZON WIRELESS ONE COMMUNICATIONS COMCAST DIGITAL PHONE LEVEL 3 CTVLMDBACM3 BLTMMDCH14Z WHMRMDATPS0 BLTMMDSNDS1 443-861 VERIZON MARYLAND ABRDMDABDS0 443-226 SPRINT PCS HNVAMDAYCM3 443-645 GLOBAL NAPS BLTMMDDN4MD 443-376 TCG PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE BLTMMDFMDS0 BLTMMDCHW29 WHMRMDATPS0 443-797 XO COMMUNICATIONS INC VERIZON WIRELESS AT&T MOBILITY BLTMMDSN5MD CTVLMDBACM3 CLMAMDORGT0 443-758 VERIZON WIRELESS SPRINT NEXTEL AT&T LOCAL WDLWMDEMCM2 ANNPMDAN8MD BLTMMDCHXEX 443-501 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE BLTOMDXIDS0 WHMRMDATPS0 443-463 SPRINT NEXTEL BLTMMD74CM1 443-276 XO COMMUNICATIONS GLOBAL TELECOM BROKERS CORETEL - MD BLTMMDCDDS0 BLTMMDCH08Z BLTMMD91DS1 443-297 CORETEL - MD NATIONSLINE TCG GLOBAL TELECOM BROKERS COMCAST LONG DISTANCE BANDWIDTH.COM BLTMMD91DS1 BLTMMDCH13Z BLTMMDFMDS0 BLTMMDCH08Z BLTPMDHIDS0 BLTMMDCH45Z 443-222 GLOBAL NAPS BLTMMDDN4MD 443-440 VERIZON MARYLAND ANNPMDANDS0 443-419 CAVALIER TELEPHONE US LEC CORETEL - MD ONE COMMUNICATIONS HNVAMDBHRS0 CLMAMDJTDS0 BLTMMD91DS1 BLTMMDCH14Z 443-834 AT&T MOBILITY CAVALIER TELEPHONE VERIZON WIRELESS LEVEL 3 CLMAMDORGT0 HNVAMDBHRS0 CTVLMDBACM3 BLTMMDCHXZY 443-728 CAVALIER TELEPHONE SLBRMDSBDC0 443-947 GLOBAL NAPS BLTMMDDN4MD 443-969 CAVALIER TELEPHONE COMCAST DIGITAL PHONE HNVAMDBHRS0 WHMRMDATPS0 443-357 VERIZON MARYLAND PIVLMDPKDS1 443-539 US LEC PAETEC COMMUNICATIONS VERIZON BUSINESS LEVEL 3 CLMAMDJTDS0 BLTMMDCHW29 BLTOMDKHDS0 BLTMMDSNDS1 443-804 SPRINT PCS HNVAMDAYCM2 443-417 VERIZON WIRELESS LEVEL 3 US LEC TCG CTVLMDBACM3 BLTMMDSN6MD CLMAMDJTDS0 BLTMMDFMDS0 443-349 CORETEL - MD BLTMMD91DS0 443-858 T-MOBILE BLTMMDCH40Z 443-761 BROADVIEW NETWORKS T-MOBILE PIVLMDPKFMD BLTMMDCH40Z 443-646 GLOBAL NAPS BLTMMDDN4MD 443-425 AT&T LOCAL VERIZON BUSINESS BLTMMDCHDS7 BLTOMDKHDS0 443-237 CORETEL - MD BLTMMD91DS0 443-503 XO COMMUNICATIONS INC LEVEL 3 COMCAST DIGITAL PHONE BROADVIEW NETWORKS BLTMMDSN5MD BLTMMDSNDS1 WHMRMDATPS0 PIVLMDPKFMD 443-342 GLOBAL NAPS BLTMMDDN4MD 443-803 SPRINT PCS HNVAMDAYCM3 443-253 AT&T MOBILITY CLMAMDORGT0 443-924 VERIZON WIRELESS PAETEC COMMUNICATIONS WDLWMDEMCM2 BLTMMDCHW29 443-889 T-MOBILE BLTMMDCH40Z 443-585 GLOBAL NAPS BLTMMDDN4MD 443-413 SPRINT PCS HNVAMDAYCM2 443-429 CAVALIER TELEPHONE HNVAMDBHRS0 443-920 COMCAST DIGITAL PHONE TCG WHMRMDATPS0 CLMAMDNIDS1 443-438 VERIZON WIRELESS PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE YMAX COMMUNICATIONS CTVLMDBACM3 BLTMMDCHW29 WHMRMDATPS0 BLTMMDSNDS6 443-562 AT&T MOBILITY CLMAMDORGT0 443-740 SPRINT NEXTEL LEVEL 3 XO COMMUNICATIONS INC HNVAMDBIW01 BLTMMDSNDS2 BLTMMDSN5MD 443-207 T-MOBILE BLTMMDCHXOY 443-855 BROADVIEW NETWORKS BLTMMDCH21Z 443-871 SPRINT NEXTEL ANNPMDAN8MD 443-635 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-584 GLOBAL NAPS BLTMMDDN4MD 443-426 PAETEC COMMUNICATIONS LEVEL 3 US LEC CAVALIER TELEPHONE BLTMMDCHW29 BLTMMDSNDS1 CLMAMDJTDS0 HNVAMDBHRS0 443-717 VERIZON WIRELESS SPRINT NEXTEL CTVLMDBACM3 HNVAMDBIW01 443-830 CAVALIER TELEPHONE HNVAMDBHRS0 443-396 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-744 SPRINT NEXTEL HNVAMDBIW01 443-767 CAVALIER TELEPHONE CORETEL - MD BROADVIEW NETWORKS HNVAMDBHRS0 BLTMMD91DS1 PIVLMDPKFMD 443-819 GLOBAL NAPS BLTMMDDN4MD 443-951 GLOBAL CROSSING LOCAL SERVICES INC T-MOBILE YMAX COMMUNICATIONS SPRINT NEXTEL BLTOMDXIDS0 BLTMMDCH40Z BLTMMDSNDS6 ANNPMDAN8MD 443-304 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE XO COMMUNICATIONS INC BLTOMDXIDS0 WHMRMDATPS0 BLTMMDSNDS5 BLTMMDSN5MD 443-919 CAVALIER TELEPHONE HNVAMDBHRS0 443-696 CAVALIER TELEPHONE VERIZON BUSINESS HNVAMDBHRS0 BLTOMDKHDS0 443-781 GLOBAL NAPS BLTMMDDN4MD 443-300 LEVEL 3 NATIONSLINE VERIZON BUSINESS BLTMMDCHXZY BLTMMDCH13Z BLTOMDKHDS0 443-779 GLOBAL NAPS BLTMMDDN4MD 443-729 PAETEC COMMUNICATIONS BLTMMDCHW29 443-957 SPRINT NEXTEL LEVEL 3 AT&T LOCAL XO COMMUNICATIONS INC HNVAMDBIW01 BLTMMDSNDS1 BLTMMDCHDS7 BLTMMDSN5MD 443-749 CAVALIER TELEPHONE HNVAMDBHRS0 443-452 SPRINT NEXTEL US LEC VERIZON WIRELESS HNVAMDBIW01 CLMAMDJTDS0 CTVLMDBACM3 443-788 GLOBAL NAPS BLTMMDDN4MD 443-345 LEVEL 3 BLTMMDSNDS1 443-822 SPRINT PCS HNVAMDAYCM3 443-752 VERIZON WIRELESS GLOBAL NAPS CTVLMDBACM3 BLTMMDDN4MD 443-490 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-742 AT&T MOBILITY CLMAMDORGT0 443-869 VERIZON WIRELESS COMCAST DIGITAL PHONE SPRINT NEXTEL CTVLMDBACM3 WHMRMDATPS0 HNVAMDBIW01 443-644 GLOBAL NAPS BLTMMDDN4MD 443-362 T-MOBILE SLBRMDSCXMD 443-261 US LEC VERIZON BUSINESS CLMAMDJTDS0 BLTOMDKHDS0 443-807 SPRINT NEXTEL HNVAMDBICM1 443-904 VERIZON WIRELESS SPRINT NEXTEL CTVLMDBACM3 HNVAMDBIW01 443-491 GLOBAL CROSSING LOCAL SERVICES INC BROADVIEW NETWORKS COMCAST DIGITAL PHONE BLTOMDXIDS0 BLTMMDCH21Z WHMRMDATPS0 443-591 VERIZON WIRELESS WDLWMDEMCM2 443-389 CORETEL - 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Block Name Assigned To Switches 443-775 GLOBAL NAPS BLTMMDDN4MD 443-385 CORETEL - MD ESTNMDBNDS0 443-820 PAETEC COMMUNICATIONS VERIZON BUSINESS COMCAST DIGITAL PHONE BLTMMDCHW29 BLTOMDKHDS0 WHMRMDATPS0 443-404 SPRINT PCS TCG COMCAST DIGITAL PHONE HNVAMDAYCM3 BLTMMDFMDS0 WHMRMDATPS0 443-397 VERIZON WIRELESS LEVEL 3 SLBRMDAZCM2 SLBRMDSBUMD 443-627 T-MOBILE US LEC VERIZON MARYLAND COMCAST DIGITAL PHONE BLTMMDCH40Z CLMAMDJTDS0 BLTMMDCHDS2 BLTMMDCHDS3 WHMRMDATPS0 443-287 VERIZON MARYLAND BLTMMDWLDS0 443-412 CORETEL - MD US LEC TCG BLTMMD91DS1 CLMAMDJTDS0 BLTMMDFMDS0 443-487 LEVEL 3 VERIZON WIRELESS LEVEL 3 US LEC XO COMMUNICATIONS BLTMMDCHXZY WDLWMDEMCM3 BLTMMDSNDS1 CLMAMDJTDS0 BLTMMDCDDS0 443-870 TW TELECOM COMCAST DIGITAL PHONE LARLMDCC1MD WHMRMDATPS0 443-354 CRICKET COMMUNICATIONS LEVEL 3 VERIZON BUSINESS EKRGMDBLGT0 BLTMMDSNDS1 BLTOMDKHDS0 443-770 VERIZON MARYLAND US LEC ARMGMDARDS0 CLMAMDJTDS0 443-604 VERIZON WIRELESS CTVLMDBACM3 443-676 AT&T MOBILITY CLMAMDORGT0 443-923 CAVALIER TELEPHONE HNVAMDBHRS0 443-891 XO COMMUNICATIONS INC SPRINT NEXTEL BLTMMDSN5MD HNVAMDBICM1 HNVAMDBIW01 443-518 CRICKET COMMUNICATIONS VERIZON MARYLAND EKRGMDBLGT0 CLMAMDCBDS0 443-378 SPRINT NEXTEL NATIONSLINE VERIZON MARYLAND XO COMMUNICATIONS INC HNVAMDBIW01 BLTMMDCH13Z BLTMMDCHDS2 BLTMMDSN5MD 443-782 GLOBAL NAPS BLTMMDDN4MD 443-732 BANDWIDTH.COM US LEC COMCAST DIGITAL PHONE TCG BLTMMDCH45Z CLMAMDJTDS0 WHMRMDATPS0 BLTMMDFMDS0 443-447 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-825 T-MOBILE US LEC LEVEL 3 BLTMMDCH40Z CLMAMDJTDS0 BLTMMDSNDS2 443-694 SPRINT PCS HNVAMDAYCM3 443-432 GLOBAL NAPS BLTMMDDN4MD 443-364 LEVEL 3 YMAX COMMUNICATIONS TCG BANDWIDTH.COM BLTMMDSNDS1 BLTMMDSNDS6 CLMAMDNIDS1 BLTMMDCH45Z 443-350 VERIZON WIRELESS SPRINT NEXTEL COMCAST DIGITAL PHONE NRTEMDAICM1 BLTMMD74CM1 WHMRMDATPS0 443-601 GLOBAL NAPS BLTMMDDN4MD 443-430 XO COMMUNICATIONS INC SPRINT NEXTEL VERIZON ACCESS TRANSMISSION SERVICES BLTMMDSN5MD HNVAMDBICM1 BLTMMDDNDS0 443-275 COMCAST DIGITAL PHONE AT&T MOBILITY VERIZON BUSINESS LEVEL 3 WHMRMDATPS0 CLMAMDORGT0 BLTOMDKHDS0 BLTMMDSNDS1 WHMRMDATPS1 443-783 VERIZON WIRELESS SLBRMDAZCM2 443-302 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE LEVEL 3 VERIZON BUSINESS BANDWIDTH.COM BLTOMDXIDS0 WHMRMDATPS1 BLTMMDSNDS1 BLTOMDKHDS0 BLTMMDCH45Z 443-360 COMCAST DIGITAL PHONE VERIZON MARYLAND TCG WHMRMDATPS1 ABRDMDABDS0 BLTMMDFMDS0 443-833 AT&T LONG DISTANCE US LEC VERIZON BUSINESS HNVAMDATDS0 CLMAMDJTDS0 BLTOMDKHDS0 443-474 AT&T MOBILITY CLMAMDORGT0 443-989 CAVALIER TELEPHONE VERIZON WIRELESS HNVAMDBHRS0 WDLWMDEMCM2 443-225 SPRINT NEXTEL LEVEL 3 COMCAST DIGITAL PHONE VERIZON BUSINESS SPRINT PCS SLBRMDEPCM1 SLBRMDSBUMD SLBRMDSBXHX ESTNMDES5MD SLBRMDSBRMD 443-400 XO COMMUNICATIONS INC PAETEC COMMUNICATIONS BLTMMDSN5MD BLTMMDCHW29 443-406 AT&T MOBILITY PAETEC COMMUNICATIONS LEVEL 3 BANDWIDTH.COM COMCAST DIGITAL PHONE TCG EKTNMDEK2MD BLTMMDCHW29 BLTMMDSNDS1 BLTMMDCH45Z WHMRMDATPS0 BLTMMDFMDS0 443-893 XO COMMUNICATIONS INC BLTMMDSN5MD 443-849 VERIZON MARYLAND TWSNMDTWDS0 443-399 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE BLTOMDXIDS0 WHMRMDATPS0 443-541 PAETEC COMMUNICATIONS LEVEL 3 BLTMMDCHW29 BLTMMDSNDS1 443-875 AT&T LONG DISTANCE AT&T MOBILITY VERIZON WIRELESS HNVAMDATDS0 CLMAMDORGT0 WDLWMDEMCM2 443-283 PAETEC COMMUNICATIONS BLTMMDCHW29 443-484 LEVEL 3 COMCAST DIGITAL PHONE BLTMMDCHXZY WHMRMDATPS0 443-609 CAVALIER TELEPHONE US LEC ONE COMMUNICATIONS COMCAST DIGITAL PHONE HNVAMDBHRS0 CLMAMDJTDS0 BLTMMDCH14Z WHMRMDATPS0 443-672 CORETEL - 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MD TW TELECOM BLTMMD91DS1 LARLMDCC1MD 443-543 VERIZON MARYLAND LEVEL 3 LEVEL 3 ARBTMDARDS0 BLTMMDSNDS2 BLTMMDCHXZY 443-516 GLOBAL CROSSING LOCAL SERVICES INC PAETEC COMMUNICATIONS SPRINT NEXTEL BLTOMDXIDS0 BLTMMDCHW29 HNVAMDBIW01 443-650 XO COMMUNICATIONS SPRINT NEXTEL US LEC BANDWIDTH.COM BLTMMDCDDS0 HNVAMDBIW01 CLMAMDJTDS0 BLTMMDCH45Z 443-576 XO COMMUNICATIONS VERIZON BUSINESS BLTMMDCDDS0 BLTOMDKHDS0 443-876 SPRINT PCS AT&T LONG DISTANCE HNVAMDAYCM3 HNVAMDATDS0 443-798 AT&T MOBILITY LEVEL 3 XO COMMUNICATIONS INC US LEC TW TELECOM CLMAMDORGT0 BLTMMDSNDS1 BLTMMDSN5MD CLMAMDJTDS0 LARLMDCC1MD 443-674 LEVEL 3 US LEC SPRINT NEXTEL CORETEL - MD COMCAST DIGITAL PHONE TCG BLTMMDSNDS1 CLMAMDJTDS0 HNVAMDBIW01 BLTMMD91DS1 WHMRMDATPS0 BLTMMDFMDS0 443-678 VERIZON MARYLAND WHMRMDWMRS2 443-351 US LEC CLMAMDJTDS0 443-996 AT&T MOBILITY CLMAMDORGT0 443-340 VERIZON WIRELESS WDLWMDEMCM3 443-867 VERIZON WIRELESS PAETEC COMMUNICATIONS SPRINT NEXTEL WDLWMDEMCM2 BLTMMDCHW29 HNVAMDBIW01 443-478 VERIZON WIRELESS YMAX COMMUNICATIONS CTVLMDBACM3 BLTMMDSNDS6 443-642 VERIZON WIRELESS T-MOBILE VERIZON MARYLAND CTVLMDBACM3 BLTMMDCH40Z BLTMMDCHDS2 443-268 CORETEL - MD BLTMMD91DS0 443-322 CAVALIER TELEPHONE AT&T MOBILITY HNVAMDBHRS0 CLMAMDORGT0 443-881 PAETEC COMMUNICATIONS SPRINT NEXTEL COMCAST DIGITAL PHONE BLTMMDCHW29 HNVAMDBIW01 WHMRMDATPS0 443-523 VERIZON WIRELESS VERIZON MARYLAND SPRINT NEXTEL AT&T MOBILITY SLBRMDAZCM2 SLBRMDSBDS1 SLBRMDEPCM1 SLBRMDSCXLX 443-615 VERIZON WIRELESS PAETEC COMMUNICATIONS SPRINT PCS CTVLMDBACM3 BLTMMDCHW29 HNVAMDAYCM2 443-657 TW TELECOM LARLMDCC1MD 443-325 CAVALIER TELEPHONE HNVAMDBHRS0 443-369 CORETEL - MD BLTMMD91DS0 443-838 AT&T MOBILITY CLMAMDORGT0 443-683 VERIZON WIRELESS T-MOBILE US LEC CTVLMDBACM3 BLTMMDCH40Z CLMAMDJTDS0 443-282 IDT AMERICA LEVEL 3 AT&T LOCAL VERIZON BUSINESS SPRINT NEXTEL NATIONSLINE QNTWMDARPS0 SLBRMDSBUMD WYMLMDMWLMD ESTNMDES5MD ESTNMDES8MD SLBRMDSBX7X 443-927 LEVEL 3 SPRINT NEXTEL VERIZON WIRELESS BLTMMDCHXZY HNVAMDBIW01 CTVLMDBACM3 443-379 COMCAST DIGITAL PHONE AT&T MOBILITY WHMRMDATPS2 CLMAMDORGT0 443-529 PAETEC COMMUNICATIONS T-MOBILE BLTMMDCHW29 BLTMMDCH40Z 443-233 CAVALIER TELEPHONE COMCAST DIGITAL PHONE SLBRMDSBDC0 SLBRMDSBXHX 443-547 VERIZON WIRELESS SPRINT PCS WDLWMDEMCM3 HNVAMDAYCM2 443-255 AT&T MOBILITY CLMAMDORGT0 443-531 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-686 VERIZON WIRELESS ARMSTRONG TELECOMMUNICATIONS SPRINT NEXTEL VERIZON BUSINESS BANDWIDTH.COM CTVLMDBACM3 BLTMMDCH47Z HNVAMDBIW01 BLTOMDKHDS0 BLTMMDCH45Z 443-435 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-879 AT&T LONG DISTANCE ONE COMMUNICATIONS VERIZON MARYLAND BANDWIDTH.COM HNVAMDATDS0 BLTMMDCH14Z DNDLMDDNDS0 BLTMMDCH45Z 443-444 VERIZON MARYLAND BLTMMDYKDS0 443-986 VERIZON WIRELESS SPRINT PCS LEVEL 3 CTVLMDBACM3 HNVAMDAYCM2 BLTMMDSNDS1 443-995 AT&T MOBILITY CLMAMDORGT0 443-318 CAVALIER TELEPHONE COMCAST DIGITAL PHONE LEVEL 3 BLARMDBL1MD WHMRMDATPS0 BLTMMDSNDS1 443-848 AT&T LONG DISTANCE VERIZON WIRELESS SPRINT NEXTEL HNVAMDATDS0 WDLWMDEMCM2 HNVAMDBICM1 HNVAMDBIW01 443-716 CAVALIER TELEPHONE XO COMMUNICATIONS INC AT&T MOBILITY HNVAMDBHRS0 BLTMMDSN5MD CLMAMDORGT0 443-901 CAVALIER TELEPHONE HNVAMDBHRS0 443-498 XO COMMUNICATIONS AT&T MOBILITY BLTMMDCDDS0 CLMAMDORGT0 443-977 VERIZON WIRELESS SPRINT PCS LEVEL 3 CTVLMDBACM3 HNVAMDAYCM2 BLTMMDSNDS1 443-263 VERIZON MARYLAND BLTMMDCHDS3 443-899 LEVEL 3 BLTMMDCHXZY 443-409 CAVALIER TELEPHONE VERIZON BUSINESS BLTMMDSNDS0 BLTOMDKHDS0 443-258 AT&T MOBILITY SLBRMDSCXLX 443-647 GLOBAL NAPS BLTMMDDN4MD 443-423 CAVALIER TELEPHONE LEVEL 3 SPRINT NEXTEL VERIZON MARYLAND HNVAMDBHRS0 BLTMMDCHXZY HNVAMDBIW01 BLTMMDCHDS2 BLTMMDCHDS3 443-572 VERIZON MARYLAND T-MOBILE SPRINT NEXTEL GLBRMDGLDS0 BLTMMDCH40Z HNVAMDBIW01 443-886 AT&T LOCAL BLTMMDCHDS7 443-428 CORETEL - MD BLTMMD91DS0 443-316 GLOBAL CROSSING LOCAL SERVICES INC AT&T LOCAL ONE COMMUNICATIONS COMCAST DIGITAL PHONE BLTOMDXIDS0 BLTMMDCHDS7 BLTMMDCH14Z WHMRMDATPS0 443-702 CAVALIER TELEPHONE US LEC COMCAST DIGITAL PHONE HNVAMDBHRS0 CLMAMDJTDS0 WHMRMDATPS1 443-246 CORETEL - MD BLTMMD91DS0 443-692 XO COMMUNICATIONS BLTMMDCDDS1 443-709 CAVALIER TELEPHONE LEVEL 3 HNVAMDBHRS0 BLTMMDSNDS1 443-363 GLOBAL NAPS BLTMMDDN4MD 443-655 AT&T MOBILITY CLMAMDORGT0 443-403 LEVEL 3 BLTMMDCHXZY 443-495 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-236 CORETEL - MD BLTMMD91DS0 443-660 VERIZON BUSINESS COMCAST DIGITAL PHONE BLTOMDKHDS0 WHMRMDATPS0 443-619 VERIZON WIRELESS CTVLMDBACM3 443-827 VERIZON WIRELESS WDLWMDEMCM2 443-368 CORETEL - MD BLTMMD91DS0 443-637 XO COMMUNICATIONS INC LEVEL 3 BLTMMDSN5MD BLTMMDSNDS1 443-551 LEVEL 3 BLTMMDSNDS1 443-352 LEVEL 3 COMCAST DIGITAL PHONE VERIZON MARYLAND AT&T LOCAL BLTMMDSNDS1 WHMRMDATPS0 OWMLMDOMDS0 BLTMMDCHDS7 443-395 VERIZON MARYLAND ABRDMDABDS0 443-353 VERIZON MARYLAND BROADVIEW NETWORKS BANDWIDTH.COM CYVLMDDADS0 PIVLMDPKFMD BLTMMDCH45Z 443-371 LEVEL 3 PAETEC COMMUNICATIONS SPRINT NEXTEL COMCAST DIGITAL PHONE LEVEL 3 BLTMMDSNDS1 BLTMMDCHW29 HNVAMDBIW01 WHMRMDATPS0 BLTMMDCHXZY 443-427 CORETEL - MD ESTNMDBNDS0 443-433 XO COMMUNICATIONS INC BROADVIEW NETWORKS AT&T MOBILITY ONE COMMUNICATIONS BLTMMDSN5MD BLTMMDCH21Z CLMAMDORGT0 BLTMMDCH14Z 443-284 GLOBAL NAPS BLTMMDDN4MD 443-299 GLOBAL CROSSING LOCAL SERVICES INC VERIZON WIRELESS SPRINT NEXTEL COMCAST DIGITAL PHONE BLTOMDXIDS0 CTVLMDBACM3 HNVAMDBIW01 WHMRMDATPS0 443-221 CRICKET COMMUNICATIONS LEVEL 3 EKRGMDBLGT0 BLTMMDSNDS1 443-534 VERIZON WIRELESS WDLWMDEMCM2 443-450 LEVEL 3 BLTMMDSNDS1 443-682 VERIZON WIRELESS T-MOBILE VERIZON MARYLAND COMCAST DIGITAL PHONE CTVLMDBACM3 BLTMMDCH40Z BLTMMDCHDS2 WHMRMDATPS0 443-596 GLOBAL NAPS BLTMMDDN4MD 443-336 SPRINT NEXTEL HNVAMDBICM1 443-836 GLOBAL NAPS BLTMMDDN4MD 443-510 VERIZON WIRELESS AT&T MOBILITY WDLWMDEMCM2 CLMAMDORGT0 443-965 SPRINT NEXTEL VERIZON MARYLAND HNVAMDBIW01 BLTMMDCHDS2 443-739 T-MOBILE BLTMMDCH40Z 443-312 GLOBAL CROSSING LOCAL SERVICES INC LEVEL 3 COMCAST DIGITAL PHONE BANDWIDTH.COM BLTOMDXIDS0 BLTMMDSNDS1 WHMRMDATPS0 BLTMMDCH45Z 443-382 CORETEL - MD ESTNMDBNDS0 443-274 LEVEL 3 PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE VERIZON BUSINESS BROADVIEW NETWORKS VERIZON MARYLAND BLTMMDSNDS1 BLTMMDCHW29 WHMRMDATPS1 BLTOMDKHDS0 BLTMMDCH21Z ODTNMDPORS2 443-968 AT&T MOBILITY T-MOBILE COMCAST DIGITAL PHONE ONE COMMUNICATIONS CLMAMDORGT0 BLTMMDCH40Z WHMRMDATPS1 BLTMMDCH14Z 443-546 VERIZON MARYLAND VERIZON ACCESS TRANSMISSION SERVICES COMCAST DIGITAL PHONE T-MOBILE LEVEL 3 CLMAMDCBDS0 BLTMMDDNDS0 WHMRMDATPS0 BLTMMDCH40Z BLTMMDSNDS1 443-387 CORETEL - MD ESTNMDBNDS0 443-600 T-MOBILE BLTMMDCH40Z 443-557 XO COMMUNICATIONS T-MOBILE BLTMMDCDDS0 BLTMMDCH40Z 443-269 GLOBAL NAPS BLTMMDDN4MD 443-273 TCG CLMAMDNIDS1 443-671 CORETEL - MD LEVEL 3 PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE TCG BLTMMD91DS1 BLTMMDSNDS1 BLTMMDCHW29 WHMRMDATPS0 BLTMMDFMDS0 443-792 VERIZON MARYLAND VERIZON BUSINESS CAVALIER TELEPHONE BRKLMDBKDS0 BLTOMDKHDS0 HNVAMDBHRS0 443-912 AT&T MOBILITY CORETEL - MD CLMAMDORGT0 BLTMMD91DS1 443-260 VERIZON MARYLAND SLBRMDSBDS1 443-244 AT&T MOBILITY VERIZON WIRELESS LEVEL 3 NATIONSLINE GLOBAL TELECOM BROKERS CLMAMDORGT0 WDLWMDEMCM3 BLTMMDSNDS1 BLTMMDCH13Z BLTMMDCH08Z 443-956 AT&T MOBILITY CLMAMDORGT0 443-608 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-984 VERIZON MARYLAND BLTMMDCHDS2 443-845 VERIZON WIRELESS CTVLMDBACM3 443-480 VERIZON WIRELESS AT&T MOBILITY SLBRMDAZCM2 SLBRMDSCXLX 443-865 SPRINT NEXTEL HNVAMDBIW01 443-679 US LEC LEVEL 3 TCG CLMAMDJTDS0 BLTMMDSN6MD BLTMMDFMDS0 443-492 GLOBAL CROSSING LOCAL SERVICES INC LEVEL 3 ONE COMMUNICATIONS BANDWIDTH.COM BLTOMDXIDS0 BLTMMDSNDS1 BLTMMDCH14Z BLTMMDCH45Z 443-278 SPRINT NEXTEL T-MOBILE US LEC PAETEC COMMUNICATIONS GLOBAL TELECOM BROKERS HNVAMDBIW01 BLTMMDCH40Z CLMAMDJTDS0 BLTMMDCHW29 BLTMMDCH08Z 443-918 CORETEL - MD PAETEC COMMUNICATIONS US LEC BROADVIEW NETWORKS LEVEL 3 COMCAST DIGITAL PHONE TCG BLTMMD91DS1 BLTMMDCHW29 CLMAMDJTDS0 BLTMMDCH21Z BLTMMDSNDS1 WHMRMDATPS0 BLTMMDFMDS0 443-640 US LEC COMCAST DIGITAL PHONE VERIZON WIRELESS ARMSTRONG TELECOMMUNICATIONS T-MOBILE CLMAMDJTDS0 WHMRMDATPS0 CTVLMDBACM3 BLTMMDCH47Z BLTMMDCH40Z 443-460 XO COMMUNICATIONS T-MOBILE BLTMMDCDDS0 BLTMMDCH40Z 443-209 CAVALIER TELEPHONE NATIONSLINE BROADVIEW NETWORKS VERIZON BUSINESS BLARMDBL1MD BLTMMDCH13Z BLTMMDCH21Z BLTOMDKHDS0 443-220 VERIZON MARYLAND AT&T MOBILITY T-MOBILE SPRINT NEXTEL BLTMMDCHDS2 CLMAMDORGT0 BLTMMDCH40Z HNVAMDBIW01 443-469 CRICKET COMMUNICATIONS EKRGMDBLGT0 443-264 GLOBAL NAPS BLTMMDDN4MD 443-641 LEVEL 3 VERIZON MARYLAND BLTMMDCHXZY OWMLMDOMDS0 443-356 CRICKET COMMUNICATIONS LEVEL 3 EKRGMDBLGT0 BLTMMDSNDS1 443-521 VERIZON WIRELESS SPRINT NEXTEL SLBRMDAZCM2 SLBRMDEPCM1 443-777 VERIZON MARYLAND ESSXMDEXDS0 443-577 US LEC LEVEL 3 ONE COMMUNICATIONS SPRINT NEXTEL CLMAMDJTDS0 BLTMMDSNDS1 BLTMMDCH14Z HNVAMDBIW01 443-590 GLOBAL CROSSING LOCAL SERVICES INC SPRINT NEXTEL LEVEL 3 VERIZON BUSINESS BLTOMDXIDS0 HNVAMDBIW01 BLTMMDSNDS1 BLTOMDKHDS0 443-442 CAVALIER TELEPHONE HNVAMDBHRS0 443-747 CORETEL - MD US LEC BALTIMORE-WASHINGTON TELEPHONE COMPANY BLTMMD91GT0 CLMAMDJTDS0 LARLMDEH00T 443-966 VERIZON WIRELESS CTVLMDBACM3 443-241 GLOBAL NAPS BLTMMDDN4MD 443-691 AT&T MOBILITY CLMAMDORGT0 443-227 GLOBAL NAPS BLTMMDDN4MD 443-677 SPRINT NEXTEL HNVAMDBIW01 443-526 GLOBAL NAPS BLTMMDDN4MD 443-907 VERIZON WIRELESS US LEC NRTEMDAICM1 CLMAMDJTDS0 443-738 PAETEC COMMUNICATIONS BLTMMDCHW29 443-808 GLOBAL NAPS BLTMMDDN4MD 443-320 GLOBAL CROSSING LOCAL SERVICES INC T-MOBILE SPRINT NEXTEL BLTOMDXIDS0 BLTMMDCH40Z HNVAMDBIW01 443-472 VERIZON WIRELESS LEVEL 3 WDLWMDEMCM3 BLTMMDSNDS1 443-502 BANDWIDTH.COM US LEC COMCAST DIGITAL PHONE COMCAST LONG DISTANCE TCG BLTMMDCH45Z CLMAMDJTDS0 WHMRMDATPS0 BLTPMDHIDS0 BLTMMDFMDS0 443-942 SPRINT PCS TCG HNVAMDAYCM3 CLMAMDNIDS1 443-664 CAVALIER TELEPHONE COMCAST DIGITAL PHONE SLBRMDSBDC0 SLBRMDSBXHX 443-418 SPRINT PCS HNVAMDAYCM2 443-230 GLOBAL NAPS BLTMMDDN4MD 443-967 VERIZON MARYLAND NRTEMDNERS0 443-689 CAVALIER TELEPHONE HNVAMDBHRS0 443-774 GLOBAL NAPS BLTMMDDN4MD 443-493 VERIZON WIRELESS SLBRMDAZCM2 443-213 LEVEL 3 XO COMMUNICATIONS INC VERIZON MARYLAND BLTMMDSNDS1 BLTMMDSNDS5 OWMLMDOMDS0 443-776 GLOBAL NAPS BLTMMDDN4MD 443-949 COMCAST DIGITAL PHONE SPRINT PCS VERIZON BUSINESS VERIZON WIRELESS AT&T MOBILITY WHMRMDATPS1 HNVAMDAYCM3 BLTOMDKHDS0 WDLWMDEMCM2 CLMAMDORGT0 WHMRMDATPS0 443-712 CAVALIER TELEPHONE LEVEL 3 SPRINT NEXTEL XO COMMUNICATIONS INC HNVAMDBHRS0 BLTMMDCHXZY HNVAMDBIW01 BLTMMDSNDS5 BLTMMDSN5MD 443-730 PAETEC COMMUNICATIONS BLTMMDCHW29 443-513 AT&T MOBILITY COMCAST DIGITAL PHONE SLBRMDSCXLX SLBRMDSBXHX 443-494 GLOBAL CROSSING LOCAL SERVICES INC VERIZON BUSINESS BANDWIDTH.COM BLTOMDXIDS0 BLTOMDKHDS0 BLTMMDCH45Z 443-380 LEVEL 3 BLTMMDSNDS1 443-638 GLOBAL NAPS BLTMMDDN4MD 443-483 LEVEL 3 LEVEL 3 BLTMMDCHXZY BLTMMDSNDS1 443-456 AT&T LOCAL BLTMMDCHDS7 443-955 VERIZON WIRELESS LEVEL 3 US LEC CTVLMDBACM3 BLTMMDSNDS1 CLMAMDJTDS0 443-735 AT&T MOBILITY SLBRMDSCXLX 443-703 XO COMMUNICATIONS INC T-MOBILE BLTMMDSN5MD BLTMMDCH40Z 443-929 T-MOBILE BLTMMDCH40Z 443-603 PAETEC COMMUNICATIONS AT&T MOBILITY BLTMMDCHW29 CLMAMDORGT0 443-762 SPRINT PCS HNVAMDAYCM2 443-794 AT&T MOBILITY CLMAMDORGT0 443-643 VERIZON MARYLAND AT&T MOBILITY BLARMDBLDS0 CLMAMDORGT0 443-561 US LEC CRICKET COMMUNICATIONS CLMAMDJTDS0 EKRGMDBLGT0 443-785 GLOBAL NAPS BLTMMDDN4MD 443-856 CORETEL - MD LEVEL 3 AT&T MOBILITY ESTNMDBNGT0 SLBRMDSBXFX SLBRMDSBUMD SLBRMDSCXLX 443-374 CAVALIER TELEPHONE BLARMDBL1MD 443-449 T-MOBILE BROADVIEW NETWORKS COMCAST DIGITAL PHONE BLTMMDCH40Z PIVLMDPKFMD WHMRMDATPS0 443-519 GLOBAL CROSSING LOCAL SERVICES INC LEVEL 3 AT&T MOBILITY COMCAST DIGITAL PHONE BLTOMDXIDS0 BLTMMDSNDS1 CLMAMDORGT0 WHMRMDATPS0 443-448 NATIONSLINE AT&T LOCAL COMCAST DIGITAL PHONE SLBRMDSBX7X WYMLMDMWEMD SLBRMDSBXHX 443-517 GLOBAL CROSSING LOCAL SERVICES INC XO COMMUNICATIONS INC VERIZON WIRELESS LEVEL 3 COMCAST DIGITAL PHONE T-MOBILE BLTOMDXIDS0 BLTMMDSN5MD WDLWMDEMCM2 BLTMMDSNDS1 WHMRMDATPS0 BLTMMDCH40Z 443-649 US LEC CLMAMDJTDS0 443-725 PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE BLTMMDCHW29 WHMRMDATPS0 443-605 CAVALIER TELEPHONE VERIZON WIRELESS AT&T MOBILITY HNVAMDBHRS0 WDLWMDEMCM3 CLMAMDORGT0 443-292 CORETEL - MD TCG TW TELECOM ONE COMMUNICATIONS COMCAST DIGITAL PHONE LEVEL 3 BLTMMD91DS1 BLTMMDFMDS0 LARLMDCC1MD BLTMMDCH14Z WHMRMDATPS0 BLTMMDSNDS1 443-436 VERIZON MARYLAND WDLWMDWLDS0 443-520 AT&T MOBILITY CLMAMDORGT0 443-270 PAETEC COMMUNICATIONS BLTMMDCHW29 443-675 CAVALIER TELEPHONE T-MOBILE BLARMDBL1MD BLTMMDCH40Z 443-540 AT&T MOBILITY CLMAMDORGT0 443-743 VERIZON WIRELESS US LEC LEVEL 3 T-MOBILE CTVLMDBACM3 CLMAMDJTDS0 BLTMMDSN6MD BLTMMDCH40Z 443-946 GLOBAL NAPS BLTMMDDN4MD 443-252 VERIZON WIRELESS CTVLMDBACM3 443-654 VERIZON MARYLAND ODTNMDAUDS0 443-446 NATIONSLINE SLBRMDSBX7X 443-535 VERIZON MARYLAND T-MOBILE VERIZON ACCESS TRANSMISSION SERVICES CLVLMDCEDS0 BLTMMDCH40Z BLTMMDDNDS0 443-766 VERIZON WIRELESS US LEC SPRINT NEXTEL WDLWMDEMCM3 CLMAMDJTDSA HNVAMDBICM1 443-216 CORETEL - MD LEVEL 3 CAVALIER TELEPHONE COMCAST DIGITAL PHONE BLTMMD91DS1 BLTMMDSNDS1 HNVAMDBHRS0 WHMRMDATPS0 443-200 XO COMMUNICATIONS COMCAST DIGITAL PHONE LEVEL 3 BLTMMDCDDS0 WHMRMDATPS0 BLTMMDSNDS2 443-943 TCG BLTMMDFMDS0 443-306 SPRINT PCS HNVAMDAYCM3 443-457 US LEC TCG COMCAST DIGITAL PHONE CAVALIER TELEPHONE CLMAMDJTDS0 BLTMMDFMDS0 WHMRMDATPS0 HNVAMDBHRS0 443-883 VERIZON WIRELESS SPRINT NEXTEL COMCAST LONG DISTANCE AT&T LOCAL LEVEL 3 WDLWMDEMCM2 HNVAMDBIW01 BLTPMDHIDS0 BLTMMDCHDS7 BLTMMDCHXZY 443-527 T-MOBILE BLTMMDCH40Z 443-632 US LEC VERIZON WIRELESS CLMAMDJTDS0 CTVLMDBACM3 443-817 XO COMMUNICATIONS COMCAST DIGITAL PHONE BLTMMDCDDS0 WHMRMDATPS0 443-338 GLOBAL NAPS BLTMMDDN4MD 443-326 AT&T MOBILITY CLMAMDORGT0 443-653 T-MOBILE BLTMMDCH40Z 443-384 CAVALIER TELEPHONE HNVAMDBHRS0 443-347 GLOBAL NAPS BLTMMDDN4MD 443-688 CAVALIER TELEPHONE COMCAST DIGITAL PHONE HNVAMDBHRS0 WHMRMDATPS0 443-254 T-MOBILE BLTMMDCH40Z 443-471 US LEC AT&T MOBILITY LEVEL 3 CLMAMDJTDS0 CLMAMDORGT0 BLTMMDSNDS1 443-835 VERIZON WIRELESS COMCAST DIGITAL PHONE CTVLMDBACM3 WHMRMDATPS0 443-733 XO COMMUNICATIONS INC US LEC ONE COMMUNICATIONS VERIZON BUSINESS AT&T LOCAL BLTMMDSN5MD CLMAMDJTDS0 BLTMMDCH14Z BLTOMDKHDS0 BLTMMDCHDS7 443-567 AT&T MOBILITY LEVEL 3 COMCAST DIGITAL PHONE CLMAMDORGT0 BLTMMDSNDS1 WHMRMDATPS0 443-556 VERIZON MARYLAND CYVLMDDADS0 443-277 SPRINT NEXTEL BLTMMDAFCM1 443-229 CAVALIER TELEPHONE YMAX COMMUNICATIONS HNVAMDBHRS0 BLTMMDSNDS6 443-787 GLOBAL NAPS BLTMMDDN4MD 443-388 VERIZON WIRELESS T-MOBILE XO COMMUNICATIONS INC COMCAST DIGITAL PHONE CTVLMDBACM3 BLTMMDCH40Z BLTMMDSNDS5 WHMRMDATPS0 443-247 GLOBAL NAPS BLTMMDDN4MD 443-736 AT&T MOBILITY COMCAST DIGITAL PHONE SLBRMDSCXLX SLBRMDSBXHX 443-533 US LEC TCG CLMAMDJTDS0 BLTMMDFMDS0 443-824 T-MOBILE AT&T MOBILITY BLTMMDCH40Z CLMAMDORGT0 443-636 T-MOBILE PAETEC COMMUNICATIONS ONE COMMUNICATIONS COMCAST DIGITAL PHONE YMAX COMMUNICATIONS BLTMMDCH40Z BLTMMDCHW29 BLTMMDCH14Z WHMRMDATPS0 BLTMMDSNDS6 443-479 VERIZON MARYLAND LARLMDDYDS0 443-791 AT&T MOBILITY VERIZON WIRELESS CLMAMDORGT0 CTVLMDBACM3 443-206 VERIZON WIRELESS CORETEL - MD CTVLMDBACM3 BLTMMD91DS1 443-606 GLOBAL NAPS BLTMMDDN4MD 443-415 SPRINT PCS HNVAMDAYCM2 443-565 CAVALIER TELEPHONE HNVAMDBHRS0 443-844 VERIZON WIRELESS LEVEL 3 CTVLMDBACM3 BLTMMDSNDS1 443-317 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE BLTOMDXIDS0 WHMRMDATPS0 443-293 GLOBAL CROSSING LOCAL SERVICES INC AT&T MOBILITY PAETEC COMMUNICATIONS COMCAST DIGITAL PHONE XO COMMUNICATIONS INC BLTOMDXIDS0 CLMAMDORGT0 BLTMMDCHW29 WHMRMDATPS0 BLTMMDSN5MD BLTMMDSNDS5 443-597 GLOBAL CROSSING LOCAL SERVICES INC SPRINT PCS BLTOMDXIDS0 HNVAMDAYCM3 443-265 CAVALIER TELEPHONE HNVAMDBHRS0 443-656 CAVALIER TELEPHONE HNVAMDBHRS0 443-554 T-MOBILE BLTMMDCH40Z 443-330 CAVALIER TELEPHONE ONE COMMUNICATIONS COMCAST DIGITAL PHONE VERIZON MARYLAND HNVAMDBHRS0 BLTMMDCH14Z WHMRMDATPS0 MANRMDMNRS0 443-458 XO COMMUNICATIONS AT&T MOBILITY COMCAST DIGITAL PHONE VERIZON WIRELESS BLTMMDCDDS0 CLMAMDORGT0 WHMRMDATPS1 WDLWMDEMCM2 443-553 VERIZON WIRELESS NRTEMDAICM1 443-812 VERIZON WIRELESS WDLWMDEMCM3 443-755 VERIZON MARYLAND EKRGMDELDS0 443-614 VERIZON WIRELESS SLBRMDAZCM2 443-847 VERIZON WIRELESS AT&T MOBILITY T-MOBILE CTVLMDBACM3 CLMAMDORGT0 BTVLMD12CM9 443-375 SPRINT NEXTEL GLOBAL TELECOM BROKERS HNVAMDBICM1 BLTMMDCH08Z 443-420 GLOBAL CROSSING LOCAL SERVICES INC BLTOMDXIDS0 443-837 US LEC SPRINT NEXTEL BANDWIDTH.COM COMCAST DIGITAL PHONE T-MOBILE SPRINT PCS CLMAMDJTDS0 ANNPMDAN8MD BLTMMDCH45Z WHMRMDATPS1 BLTMMDCH40Z HNVAMDAYCM3 443-305 GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE LEVEL 3 BANDWIDTH.COM BLTOMDXIDS0 WHMRMDATPS0 BLTMMDSNDS1 BLTMMDCH45Z 443-445 AT&T LONG DISTANCE NATIONSLINE LEVEL 3 COMCAST DIGITAL PHONE XO COMMUNICATIONS INC VERIZON MARYLAND HNVAMDATDS0 BLTMMDCH13Z BLTMMDSNDS1 WHMRMDATPS0 BLTMMDSNDS5 EKRGMDELDS0 BLTMMDSN5MD CallerSearch Home Resources About Contact Login search-form