508 (Massachusetts)

715 Blocks Found in Area 508 - List All

Click on a Block Name for more information about this block.
Block NameAssigned ToSwitches
508-960GLOBAL CROSSING LOCAL SERVICES INCBSTNMACODS6
508-240VERIZON NEW ENGLAND
VERIZON WIRELESS
ORLNMAYADS0
WRXBMAWACM3
508-540VERIZON NEW ENGLANDFLMOMAMGDS0
508-294SPRINT NEXTELMNFDMABPCM0
508-815XO COMMUNICATIONS INC
LEVEL 3
DSCI CORPORATION
SPRINT PCS
RCN TELECOM
CMBRMAMQDS0
CMBRMAORDS3
CHTWMABFDS2
WLPLMAALCM0
SBTNMAFHDS0
508-871VERIZON NEW ENGLANDWSBOMASUDS1
508-939AT&T MOBILITY
XO COMMUNICATIONS INC
LEVEL 3
COMCAST DIGITAL PHONE
COMMPARTNERS CONNECT
VERIZON NEW ENGLAND
CMBSMA01GT0
BSTPMALLDS1
CMBRMAORDS3
BSTPMALLPS0
LWRNMACAXYX
EDGRMAPPRS1
508-937ONE COMMUNICATIONSWRCSMANKDS0
508-918AT&T MOBILITY
AT&T LOCAL
AVONMACIGT0
FRMNMAWADS0
508-368VERIZON NEW ENGLANDWRCSMACEDS3
508-394VERIZON NEW ENGLANDBSRVMASTDS1
508-862VERIZON NEW ENGLANDHYNSMAOCDS1
508-570LEVEL 3CMBRMAORDS3
508-649T-MOBILE
AT&T MOBILITY
VERIZON WIRELESS
BRTNMACRLMD
AVONMACIGT0
WRXBMAWACM3
508-349VERIZON NEW ENGLANDWLLFMAMARS1
508-410T-MOBILENRTNMAAACM4
508-249VERIZON NEW ENGLANDHPTNMAHRRS1
508-813AT&T MOBILITYAVONMACIGT0
508-747VERIZON NEW ENGLANDPLMOMACODS0
508-833VERIZON NEW ENGLANDSGMRMAYADS0
508-288VERIZON NEW ENGLANDORLNMAYADS0
508-422LEVEL 3
VERIZON NEW ENGLAND
PAETEC COMMUNICATIONS
CMBRMAORDS3
MLFRMAWADS0
BSTNMACODS7
508-987VERIZON NEW ENGLAND
RNK INC
OXFRMAWHRS1
BDFRMAAWDS0
508-945VERIZON NEW ENGLANDCHHMMAOHRS1
508-599VERIZON ACCESS TRANSMISSION SERVICES
CONVERSENT COMMUNICATIONS
DSCI CORPORATION
BSTNMABLDS3
WRCSMA05DS0
CHTWMABFDS2
508-561VERIZON WIRELESSWSBOMAGJCM0
508-518TELEPORT COMMUNICATIONS GROUPWRCSMA02DS1
508-323VERIZON NEW ENGLANDMRBOMAMADS0
508-851T-MOBILE
VERIZON NEW ENGLAND
CMBRMABEX0Y
MNFDMABRDS0
508-696VERIZON NEW ENGLANDVYHVMAEDDS0
508-790VERIZON NEW ENGLANDHYNSMAOCDS1
508-830VERIZON NEW ENGLANDPLMOMACODS0
508-889SPRINT NEXTELMNFDMABPCM0
508-861VERIZON BUSINESSCMBRMAORDS1
508-272VERIZON WIRELESSWRXBMAWACM3
508-573VERIZON ACCESS TRANSMISSION SERVICES
CONVERSENT COMMUNICATIONS
DSCI CORPORATION
XO COMMUNICATIONS INC
ACTNMAPLDS0
WRCSMA05DS0
CHTWMABFDS2
BSTPMALLDS1
508-818AT&T MOBILITY
T-MOBILE
PAETEC COMMUNICATIONS
AVONMACIGT0
BRTNMACRLMD
BSTNMACODS7
508-728VERIZON WIRELESSWRXBMAWACM3
508-776VERIZON WIRELESSWRXBMAWACM3
508-766VERIZON NEW ENGLANDFRMNMAUNDS8
508-383VERIZON NEW ENGLANDFRMNMAUNDS8
508-333T-MOBILENRTNMAAACM4
508-643VERIZON NEW ENGLANDNATLMAOEDS1
508-740SPRINT PCSWLPLMAALCM1
508-651VERIZON NEW ENGLANDNTCKMAECDS1
508-787VERIZON NEW ENGLANDMRBOMAMADS0
508-860VERIZON NEW ENGLANDWRCSMACEDS3
508-210CHARTER TELEPHONE
LEVEL 3
PAETEC COMMUNICATIONS
MEGACLEC
XO COMMUNICATIONS INC
OXFRMAAKPS0
CMBRMAORDSG
CMBRMAORDS3
BSTNMACODS7
QNCYMACE2MD
BSTPMALLDS1
508-551VERIZON NEW ENGLANDWRCSMACE5CD
508-838AT&T MOBILITY
VERIZON WIRELESS
TELEPORT COMMUNICATIONS GROUP
AVONMACIGT0
TNTNMADOCM0
WRCSMA02DS1
508-744ONE COMMUNICATIONS
AT&T LOCAL
LEVEL 3
RNK INC
PAETEC COMMUNICATIONS
COMCAST DIGITAL PHONE
XO COMMUNICATIONS INC
BRTNMACR0MD
WRCSMA026MD
CMBRMAORDS3
BDFRMAAWDS0
BSTNMACODS7
FRMNMARWPS0
BSTPMALLDS1
508-679VERIZON NEW ENGLANDFLRVMANMDS1
508-825VERIZON NEW ENGLAND
SPRINT NEXTEL
NCKTMAUNDS0
MNFDMABPCM0
508-553VERIZON NEW ENGLANDFKLNMAMCDS0
508-926TELEPORT COMMUNICATIONS GROUP
CHARTER TELEPHONE
SPRINT PCS
MRBOMAFZDS0
OXFRMAAKPS0
WLPLMAALCM1
508-568XO COMMUNICATIONS INC
ONE COMMUNICATIONS
AT&T LOCAL
CONVERSENT COMMUNICATIONS
COMMPARTNERS CONNECT
BSTPMALLDS1
BRTNMACR0MD
CMBRMA01OMD
WRCSMA05DS0
LWRNMACAXYX
508-865VERIZON NEW ENGLANDMLBRMAGRRS1
508-404VERIZON WIRELESS
CONVERSENT COMMUNICATIONS
TELEPORT COMMUNICATIONS GROUP
WRXBMAWACM3
WRCSMA05DS0
WRCSMA02DS1
508-746VERIZON NEW ENGLANDPLMOMACODS0
508-970ONE COMMUNICATIONS
PAETEC COMMUNICATIONS
YMAX COMMUNICATIONS
FRMNMAUNX0X
BSTNMACODS7
CMBRMAMQDS3
508-285VERIZON NEW ENGLANDNRTNMATARS1
508-646VERIZON NEW ENGLAND
AT&T MOBILITY
FLRVMANMDS1
AVONMACIGT0
508-658RNK INC
PAETEC COMMUNICATIONS
BDFRMAAWDS0
BSTNMACODS7
508-680SPRINT NEXTEL
COMCAST DIGITAL PHONE
MEGACLEC
AT&T MOBILITY
COMMPARTNERS CONNECT
VERIZON WIRELESS
RCN TELECOM
XO COMMUNICATIONS INC
MNFDMABPCM0
BSTPMALLPS0
QNCYMACE00T
AVONMACIGT0
LWRNMACAXYX
WRXBMAWACM3
SBTNMAFHDS0
BSTPMALLDS1
508-836VERIZON NEW ENGLANDWSBOMASUDS1
508-634VERIZON NEW ENGLANDMLFRMAWADS0
508-901SPRINT NEXTEL
AT&T MOBILITY
XO COMMUNICATIONS INC
COMCAST DIGITAL PHONE
CONVERSENT COMMUNICATIONS
ONE COMMUNICATIONS
BANDWIDTH.COM
MNFDMABPCM0
CMBSMA01GT0
BSTPMALLDS1
FXBOMAAVPS0
WRCSMA05DS0
BRTNMACR0MD
BSTNMABLOMD
508-645COMMPARTNERS CONNECT
LEVEL 3
VERIZON NEW ENGLAND
LWRNMACAXYX
CMBRMAORDS3
CHLMMASTRS1
508-736AT&T MOBILITYAVONMACIGT0
508-802SPRINT NEXTEL
LEVEL 3
CONVERSENT COMMUNICATIONS
MNFDMABPCM0
CMBRMAORDS3
WRCSMA05DS0
508-535PAETEC COMMUNICATIONSBSTNMACODS7
508-531VERIZON NEW ENGLANDBRWRMACHRS1
508-979VERIZON NEW ENGLANDNBFRMAAEDS1
508-506ONE COMMUNICATIONSWRCSMACEX1X
508-771VERIZON NEW ENGLANDHYNSMAOCDS1
508-425SPRINT PCS
PAETEC COMMUNICATIONS
SPRINT
LEVEL 3
RCN TELECOM
WLPLMAALCM1
BSTNMACODS7
WRCSMACEXSX
CMBRMAORDS3
SBTNMAFHDS0
508-807COMCAST DIGITAL PHONEFRMNMARWPS0
508-360SPRINT PCSWLPLMAALCM0
508-213ACC BUSINESS
COMMPARTNERS CONNECT
LEVEL 3
XO COMMUNICATIONS INC
VERIZON BUSINESS
BSTNMACODS2
LWRNMACAXYX
CMBRMAORDS3
BSTPMALLDS1
CMBRMAORDS0
508-638PAETEC COMMUNICATIONS
AT&T MOBILITY
BSTNMACODS7
AVONMACIGT0
508-330VERIZON WIRELESSWSBOMAGJCM0
508-641VERIZON WIRELESSWRXBMAWACM3
508-593LEVEL 3CMBRMAORDS3
508-314AT&T MOBILITYCMBSMA01GT0
508-826AT&T MOBILITYAVONMACIGT0
508-878AT&T MOBILITYCMBSMA01GT0
508-559VERIZON NEW ENGLANDBRTNMACRDS1
508-942VERIZON WIRELESSWRXBMAWACM3
508-893VERIZON NEW ENGLANDHLSTMACHRS5
508-217ACC BUSINESS
YMAX COMMUNICATIONS
COMMPARTNERS CONNECT
VERIZON BUSINESS
XO COMMUNICATIONS INC
MEGACLEC
BSTNMACODS2
CMBRMAMQDS3
LWRNMACAXYX
CMBRMAORDS1
BSTPMALLDS1
QNCYMACE00T
508-809SPRINT NEXTEL
ONE COMMUNICATIONS
AT&T LOCAL
LEVEL 3
DSCI CORPORATION
CONVERSENT COMMUNICATIONS
PAETEC COMMUNICATIONS
MNFDMABPCM0
FRMNMAUNX0X
WRCSMA028MD
CMBRMAORDS3
CHTWMABFDS2
WRCSMA05DS0
BSTNMACODS7
508-509SPRINT NEXTELMNFDMABPCM0
508-686LEVEL 3
DSCI CORPORATION
VERIZON WIRELESS
CMBSMAAZDS0
CHTWMABFDS2
WSBOMAGJCM0
508-929VERIZON NEW ENGLANDWRCSMACEDS3
508-791VERIZON NEW ENGLANDWRCSMACEDS3
508-621TELEPORT COMMUNICATIONS GROUP
VERIZON BUSINESS
WRCSMA02DS1
CMBRMAORDS0
508-972VERIZON NEW ENGLANDNBFRMAAEDS1
508-256GLOBAL NAPSQNCYMACE00T
508-452PAETEC COMMUNICATIONS
COMMPARTNERS CONNECT
LEVEL 3
XO COMMUNICATIONS INC
BSTNMACODS7
LWRNMACAXYX
CMBRMAORDSG
BSTPMALLDS1
508-852VERIZON NEW ENGLANDGNDLMASUDS0
508-594TELEPORT COMMUNICATIONS GROUP
GLOBAL CROSSING LOCAL SERVICES INC
BAYRING COMMUNICATIONS
WRCSMA02DS1
BSTNMACODS6
LWRNMACAX5X
508-496T-MOBILEBRTNMACRLMD
508-235VERIZON NEW ENGLANDFLRVMANMDS1
508-699VERIZON NEW ENGLANDNATLMAOEDS1
508-397VERIZON WIRELESSWSBOMAGJCM0
508-479VERIZON WIRELESSWRXBMAWACM3
508-392BROADVIEW NETWORKS
GLOBAL CROSSING LOCAL SERVICES INC
RCN TELECOM
COMCAST DIGITAL PHONE
CHTWMABMDS3
BSTNMACODS6
SBTNMAFHDS0
BSTPMALLPS0
508-409CONVERSENT COMMUNICATIONS
AT&T MOBILITY
RNK INC
GLOBAL CROSSING LOCAL SERVICES INC
VERIZON BUSINESS
WRCSMA05DS0
AVONMACIGT0
BDFRMAAWDS0
BSTNMACODS6
CMBRMAORDS0
508-297COMCAST DIGITAL PHONE
YMAX COMMUNICATIONS
XO COMMUNICATIONS INC
FXBOMAAVPS0
BSTPMALLPS0
CMBRMAMQDS3
BSTPMALLDS1
508-880VERIZON NEW ENGLANDTNTNMAPLDS1
508-629GLOBAL NAPSQNCYMACE5MD
508-756VERIZON NEW ENGLANDWRCSMACEDS3
508-759VERIZON NEW ENGLANDBZBYMAPERS1
508-720PAETEC COMMUNICATIONSBSTNMACODS7
508-986BROADVIEW NETWORKSCHTWMABMDS3
508-374GLOBAL NAPSQNCYMACE5MD
508-584VERIZON NEW ENGLANDBRTNMACRDS1
508-647VERIZON NEW ENGLANDNTCKMAECDS1
508-286VERIZON NEW ENGLAND
RNK INC
NRTNMATARS1
BDFRMAAWDS0
508-538XO COMMUNICATIONS INC
BANDWIDTH.COM
ONE COMMUNICATIONS
CONVERSENT COMMUNICATIONS
COMMPARTNERS CONNECT
BSTPMALLDS1
BSTNMABLOMD
BRTNMACR0MD
WRCSMA05DS0
LWRNMACAXYX
508-271VERIZON NEW ENGLAND
T-MOBILE
FRMNMAUNDS8
NRTNMAAACM4
508-242VERIZON NEW ENGLAND
XO COMMUNICATIONS INC
COMMPARTNERS CONNECT
LEVEL 3
AT&T LOCAL
COMCAST DIGITAL PHONE
ONE COMMUNICATIONS
MEFDMAPLDS0
CMBRMAMQDS0
LWRNMACAXYX
CMBRMAORDS3
FRMNMAWADS0
CHFRMAAHPS0
FRMNMAUNX0X
508-460VERIZON NEW ENGLANDMRBOMAMADS0
508-443LEVEL 3
BANDWIDTH.COM
DSCI CORPORATION
CMBSMAAZDS0
BSTNMABLOMD
CHTWMABFDS2
508-895VERIZON NEW ENGLANDBRTNMACRDS1
508-510SPRINT NEXTEL
COMCAST DIGITAL PHONE
AT&T MOBILITY
RCN TELECOM
MNFDMABPCM0
FRMNMARWPS0
AVONMACIGT0
SBTNMAFHDS0
508-793VERIZON NEW ENGLANDWRCSMACEDS3
508-324VERIZON NEW ENGLAND
AT&T MOBILITY
FLRVMANMDS1
AVONMACIGT0
508-205LEVEL 3
COMMPARTNERS CONNECT
BROADVIEW NETWORKS
AT&T LOCAL
DSCI CORPORATION
CONVERSENT COMMUNICATIONS
VERIZON BUSINESS
BANDWIDTH.COM
CMBRMAORDS3
LWRNMACAXYX
CHTWMABMDS3
WRCSMA028MD
CHTWMABFDS2
WRCSMA05DS0
CMBRMAORDS0
BSTNMABLOMD
508-990VERIZON NEW ENGLANDNBFRMAAEDS1
508-371METROPCS WIRELESS
LEVEL 3
GLOBAL CROSSING LOCAL SERVICES INC
CHFRMADCCM1
CMBSMAAZDS0
BSTNMACODS6
508-423AT&T MOBILITYCMBSMA01GT0
508-309VERIZON WIRELESS
AT&T LOCAL
T-MOBILE
COMCAST DIGITAL PHONE
WSBOMAGJCM0
FRMNMAWADS0
NRTNMAAACM4
WRCSMA02DS1
CHFRMAAHPS0
508-848BROADVIEW NETWORKSCHTWMABMDS3
508-615T-MOBILENRTNMAAACM4
508-455COMCAST DIGITAL PHONE
LEVEL 3
BROADVIEW NETWORKS
VERIZON WIRELESS
LEVEL 3
CHFRMAAHPS1
CMBRMAORDS3
CHTWMABMDS3
TNTNMADOCM0
CMBSMAAZDS0
508-577AT&T MOBILITYAVONMACIGT0
508-290NEXTWAVE WIRELESSMRBOMAFZCM0
508-335AT&T MOBILITYAVONMACIGT0
508-487VERIZON NEW ENGLANDPRVNMAWIRS2
508-329LEVEL 3
CHARTER TELEPHONE
COMMPARTNERS CONNECT
LEVEL 3
CMBSMAAZDS0
OXFRMAAKPS0
LWRNMACAXYX
CMBRMAORDSG
508-589XO COMMUNICATIONS INC
LEVEL 3
VERIZON BUSINESS
CMBRMAMQDS0
CMBRMAORDS3
CMBRMAORDS0
508-467VERIZON NEW ENGLANDMRBOMAMADS0
508-308AT&T MOBILITYAVONMACIGT0
CMBSMA01GT0
508-723VERIZON NEW ENGLAND
VERIZON WIRELESS
T-MOBILE
WRCSMACEDS2
WSBOMAGJCM0
NRTNMAAACM4
508-952BANDWIDTH.COM
COMMPARTNERS CONNECT
TELEPORT COMMUNICATIONS GROUP
DSCI CORPORATION
BSTNMABLOMD
LWRNMACAXYX
WRCSMA02DS1
CHTWMABFDS2
508-258COMCAST DIGITAL PHONE
LEVEL 3
BROADVIEW NETWORKS
AT&T LOCAL
COMMPARTNERS CONNECT
CONVERSENT COMMUNICATIONS
VERIZON BUSINESS
YMAX COMMUNICATIONS
BANDWIDTH.COM
FRMNMARWPS0
CMBRMAORDS3
CHTWMABMDS3
CMBRMA01OMD
LWRNMACAXYX
WRCSMA05DS0
CMBRMAORDS0
CMBRMAMQDS3
BSTNMABLOMD
508-293BANDWIDTH.COM
TELEPORT COMMUNICATIONS GROUP
COMMPARTNERS CONNECT
LEVEL 3
BSTNMABLOMD
WRCSMA02DS1
LWRNMACAXYX
CMBSMAAZDS0
508-267GLOBAL NAPSQNCYMACE2MD
508-436T-MOBILE
TELEPORT COMMUNICATIONS GROUP
LEVEL 3
CONVERSENT COMMUNICATIONS
ONE COMMUNICATIONS
BRTNMACRLMD
WRCSMA02DS1
CMBRMAORDS3
WRCSMA05DS0
BRTNMACR0MD
508-598VERIZON ACCESS TRANSMISSION SERVICES
SPRINT NEXTEL
VERIZON BUSINESS
YMAX COMMUNICATIONS
BSTNMABLDS3
MNFDMABPCM0
CMBRMAORDS0
CMBRMAMQDS3
508-415AT&T MOBILITYAVONMACIGT0
508-767VERIZON NEW ENGLANDWRCSMACEDS3
508-279VERIZON NEW ENGLANDBRWRMACHRS1
508-407ONE COMMUNICATIONS
CONVERSENT COMMUNICATIONS
AT&T LOCAL
PAETEC COMMUNICATIONS
CHARTER TELEPHONE
WRCSMANKDS0
WRCSMA05DS0
WRCSMA028MD
BSTNMACODS7
OXFRMAAKPS0
508-315RCN TELECOM
ONE COMMUNICATIONS
T-MOBILE
DSCI CORPORATION
LEVEL 3
SBTNMAFHDS0
FRMNMAUNX0X
NRTNMAAACM4
CHTWMABFDS2
CMBRMAORDSG
508-639AT&T LOCAL
RNK INC
COMCAST DIGITAL PHONE
CONVERSENT COMMUNICATIONS
XO COMMUNICATIONS INC
CMBRMA01OMD
BDFRMAAWDS0
BSTPMALLPS0
WRCSMA05DS0
BSTPMALLDS1
WRCSMA02DS1
508-520VERIZON NEW ENGLANDFKLNMAMCDS0
508-347VERIZON NEW ENGLANDSTBGMAMARS1
508-466ONE COMMUNICATIONS
CONVERSENT COMMUNICATIONS
RNK INC
COMMPARTNERS CONNECT
LEVEL 3
CHARTER TELEPHONE
AT&T LOCAL
FRMNMAUNX0X
WRCSMA05DS0
BDFRMAAWDS0
LWRNMACAXYX
CMBRMAORDS3
OXFRMAAKPS0
WRCSMA028MD
508-580VERIZON NEW ENGLANDBRTNMACRDS1
508-732VERIZON NEW ENGLANDPLMOMACODS0
508-888VERIZON NEW ENGLANDSGMRMAYADS0
508-345T-MOBILEBRTNMACRLMD
508-677VERIZON NEW ENGLAND
AT&T MOBILITY
FLRVMANMDS1
AVONMACIGT0
508-681BAYRING COMMUNICATIONS
VERIZON BUSINESS
CONVERSENT COMMUNICATIONS
VERIZON WIRELESS
BROADVIEW NETWORKS
COMCAST DIGITAL PHONE
LWRNMACAX5X
CMBRMAORDS0
WRCSMA05DS0
WRXBMAWACM3
CHTWMABMDS3
FRMNMARWPS0
508-753VERIZON NEW ENGLANDWRCSMACEDS3
508-245VERIZON WIRELESSWRXBMAWACM3
508-500LEVEL 3
BROADVIEW NETWORKS
CMBRMAORDS3
CHTWMABMDS3
508-574AT&T MOBILITYCMBSMA01GT0
508-906ONE COMMUNICATIONS
PAETEC COMMUNICATIONS
BROADVIEW NETWORKS
DSCI CORPORATION
XO COMMUNICATIONS INC
VERIZON BUSINESS
VERIZON ACCESS TRANSMISSION SERVICES
FRMNMAUNX0X
BSTNMACODS7
CHTWMABMDS3
CHTWMABFDS2
BSTPMALLDS1
CMBRMAORDS0
ACTNMAPLDS0
508-581VERIZON NEW ENGLAND
CONVERSENT COMMUNICATIONS
LEVEL 3
COMMPARTNERS CONNECT
PAETEC COMMUNICATIONS
ONE COMMUNICATIONS
MLBRMAGRRS1
WRCSMA05DS0
CMBRMAORDS3
LWRNMACAXYX
BSTNMACODS7
WRCSMACEX1X
508-726SPRINT NEXTELMNFDMABPCM0
508-546GLOBAL NAPSQNCYMACE5MD
508-484XO COMMUNICATIONS
T-MOBILE
DSCI CORPORATION
BSTPMALLDS4
BRTNMACRLMD
CHTWMABFDS2
508-985VERIZON NEW ENGLAND
SPRINT PCS
DSCI CORPORATION
VERIZON WIRELESS
ACSHMAPLDS1
WLPLMAALCM0
CHTWMABFDS2
NBFRMAAEDS1
WRXBMAWACM3
508-941VERIZON NEW ENGLANDBRTNMACRDS1
508-994VERIZON NEW ENGLANDNBFRMAAEDS1
508-921BANDWIDTH.COM
PAETEC COMMUNICATIONS
LEVEL 3
COMCAST DIGITAL PHONE
LEVEL 3
YMAX COMMUNICATIONS
BSTNMABLOMD
BSTNMACODS7
CMBSMAAZDS0
CHFRMAAHPS0
CMBRMAORDS3
CMBRMAMQDS3
508-966VERIZON NEW ENGLAND
ONE COMMUNICATIONS
LEVEL 3
RNK INC
MLFRMAWADS0
FRMNMAUNX0X
CMBRMAORDS3
BDFRMAAWDS0
508-967PAETEC COMMUNICATIONS
SPRINT NEXTEL
AT&T MOBILITY
YMAX COMMUNICATIONS
COMCAST DIGITAL PHONE
BSTNMACODS7
MNFDMABPCM0
AVONMACIGT0
CMBRMAMQDS3
BSTPMALLPS0
508-344AT&T MOBILITYAVONMACIGT0
508-782TELEPORT COMMUNICATIONS GROUPWRCSMA02DS1
508-417RNK INC
AT&T LOCAL
CONVERSENT COMMUNICATIONS
VERIZON ACCESS TRANSMISSION SERVICES
BDFRMAAWDS0
FRMNMAWADS0
WRCSMA05DS0
BSTNMABLDS3
508-243VERIZON WIRELESSTNTNMADOCM0
508-820VERIZON NEW ENGLANDFRMNMAUNDS8
508-310XO COMMUNICATIONS
T-MOBILE
YMAX COMMUNICATIONS
BSTPMALLDS4
NRTNMAAACM4
CMBRMAMQDS3
508-480VERIZON NEW ENGLAND
YMAX COMMUNICATIONS
MRBOMAMADS0
CMBRMAMQDS3
508-999VERIZON NEW ENGLANDNBFRMAAEDS1
508-215TELEPORT COMMUNICATIONS GROUP
SPRINT NEXTEL
T-MOBILE
WRCSMA02DS1
MNFDMABPCM0
NRTNMAAACM4
508-544VERIZON NEW ENGLAND
XO COMMUNICATIONS INC
HPTNMAHRRS1
BSTPMALLDS1
508-794COMCAST DIGITAL PHONE
BROADVIEW NETWORKS
XO COMMUNICATIONS INC
BANDWIDTH.COM
CHFRMAAHPS1
CHTWMABMGT0
BSTPMALLDS1
BSTNMABLOMD
508-357VERIZON NEW ENGLANDMRBOMAMADS0
508-499LEVEL 3
ONE COMMUNICATIONS
COMMPARTNERS CONNECT
BROADVIEW NETWORKS
YMAX COMMUNICATIONS
BANDWIDTH.COM
CMBRMAORDSG
WRCSMACEX1X
CMBRMAORDS3
LWRNMACAXYX
CHTWMABMDS3
CMBRMAMQDS3
BSTNMABLOMD
508-685T-MOBILEBRTNMACRLMD
508-642AT&T MOBILITYAVONMACIGT0
508-971AT&T MOBILITYAVONMACIGT0
508-468VERIZON WIRELESS
AT&T MOBILITY
TELEPORT COMMUNICATIONS GROUP
WRXBMAWACM3
AVONMACIGT0
WRCSMA02DS1
508-204NEXTWAVE WIRELESSFRMNMAUN04T
508-381COMCAST DIGITAL PHONE
GLOBAL CROSSING LOCAL SERVICES INC
CONVERSENT COMMUNICATIONS
BAYRING COMMUNICATIONS
YMAX COMMUNICATIONS
CHFRMAAHPS1
BSTNMACODS6
WRCSMA05DS0
LWRNMACAX5X
CMBRMAMQDS3
508-872VERIZON NEW ENGLANDFRMNMAUNDS8
508-470RNK INC
XO COMMUNICATIONS INC
YMAX COMMUNICATIONS
BDFRMAAWDS0
BSTPMALLDS1
CMBRMAMQDS3
508-373ONE COMMUNICATIONS
CHARTER TELEPHONE
T-MOBILE
SPRINT NEXTEL
PAETEC COMMUNICATIONS
WRCSMACEX1X
OXFRMAAKPS0
NRTNMAAACM4
MNFDMABPCM0
BSTNMACODS7
508-222VERIZON NEW ENGLANDATLBMABADS0
508-281CHARTER TELEPHONE
LEVEL 3
PAETEC COMMUNICATIONS
CONVERSENT COMMUNICATIONS
OXFRMAAKPS0
CMBRMAORDS3
BSTNMACODS7
WRCSMA05DS0
508-340VERIZON WIRELESS
LEVEL 3
WSBOMAGJCM0
CMBRMAORDS3
508-777NORFOLK COUNTY INTERNET INCFKLNMACNDS0
508-228VERIZON NEW ENGLANDNCKTMAUNDS0
508-624VERIZON NEW ENGLANDMRBOMAMADS0
508-879VERIZON NEW ENGLANDFRMNMAUNDS8
508-225COMAV CORPORATIONFRMNMABODS0
508-664GLOBAL NAPSQNCYMACE5MD
508-377LEVEL 3
AT&T MOBILITY
CMBSMAAZDS0
AVONMACIGT0
508-822VERIZON NEW ENGLANDTNTNMAPLDS1
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508-997VERIZON NEW ENGLANDNBFRMAAEDS1
508-502VERIZON NEW ENGLANDWRCSMACE5CD
508-464GLOBAL NAPSQNCYMACE5MD
508-276XO COMMUNICATIONS INC
COMCAST DIGITAL PHONE
LEVEL 3
VERIZON BUSINESS
RNK INC
BAYRING COMMUNICATIONS
CMBRMAMQDS0
FXBOMAAVPS0
CMBRMAORDS3
CMBRMAORDS0
BDFRMAAWDS0
LWRNMACAX5X
508-296BANDWIDTH.COM
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XO COMMUNICATIONS INC
YMAX COMMUNICATIONS
RNK INC
CONVERSENT COMMUNICATIONS
BSTNMABLOMD
BRTNMACR0MD
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ACC BUSINESS
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DSCI CORPORATION
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508-828AT&T MOBILITY
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AVONMACIGT0
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508-418RNK INC
XO COMMUNICATIONS INC
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MEGACLEC
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QNCYMACE00T
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VERIZON BUSINESS
EBWRMABERS1
BRTNMACR0MD
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LWRNMACAXYX
CMBRMAORDS1
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LEVEL 3
BROADVIEW NETWORKS
COMMPARTNERS CONNECT
WNSCRICLDS1
CMBRMAORDS3
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LWRNMACAXYX
508-783AT&T MOBILITYCMBSMA01GT0
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508-505VERIZON WIRELESS
BROADVIEW NETWORKS
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RNK INC
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WRXBMAWACM3
CHTWMABMDS3
LWRNMACAXYX
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508-343BANDWIDTH.COM
XO COMMUNICATIONS INC
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TELEPORT COMMUNICATIONS GROUP
BSTNMABLOMD
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LWRNMACAX5X
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LEVEL 3
MEGACLEC
LWRNMACAXYX
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LEVEL 3
XO COMMUNICATIONS INC
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508-414AT&T MOBILITYAVONMACIGT0
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508-924RNK INC
CONVERSENT COMMUNICATIONS
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WRCSMA05DS0
508-440PAETEC COMMUNICATIONS
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COMCAST DIGITAL PHONE
MEGACLEC
RCN TELECOM
AT&T MOBILITY
BSTNMACODS7
LWRNMACAXYX
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QNCYMACE00T
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508-572AT&T MOBILITYCMBSMA01GT0
508-762ACC BUSINESS
LEVEL 3
T-MOBILE
ONE COMMUNICATIONS
XO COMMUNICATIONS INC
BSTNMACODS2
CMBRMAORDS3
NRTNMAAACM4
WRCSMACEX1X
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508-208VERIZON WIRELESSWRXBMAWACM3
508-873AT&T MOBILITYAVONMACIGT0
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VERIZON NEW ENGLAND
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BANDWIDTH.COM
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508-299ONE COMMUNICATIONS
LEVEL 3
VERIZON NEW ENGLAND
YMAX COMMUNICATIONS
AT&T LOCAL
XO COMMUNICATIONS INC
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BRTNMACR0MD
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508-346AT&T LOCAL
COMCAST DIGITAL PHONE
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LEVEL 3
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ONE COMMUNICATIONS
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RNK INC
DSCI CORPORATION
COMCAST DIGITAL PHONE
BANDWIDTH.COM
NRTNMAAACM4
FRMNMAUNX0X
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508-763VERIZON NEW ENGLAND
RNK INC
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508-831VERIZON NEW ENGLAND
AT&T MOBILITY
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508-916SPRINT NEXTEL
LEVEL 3
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AT&T MOBILITY
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T-MOBILE
MNFDMABPCM0
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COMMPARTNERS CONNECT
LEVEL 3
GLOBAL CROSSING LOCAL SERVICES INC
MEGACLEC
RNK INC
VERIZON BUSINESS
CHFRMADCCM1
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LWRNMACAXYX
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RNK INC
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LWRNMACAXYX
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RCN TELECOM
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508-684SPRINT NEXTEL
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XO COMMUNICATIONS INC
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LEVEL 3
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MEGACLEC
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508-991AT&T MOBILITY
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LEVEL 3
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XO COMMUNICATIONS INC
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508-532PAETEC COMMUNICATIONSBSTNMACODS7
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508-266CHARTER TELEPHONE
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508-637ONE COMMUNICATIONS
CHARTER TELEPHONE
XO COMMUNICATIONS INC
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WRCSMACEX1X
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508-529VERIZON NEW ENGLANDUPTNMAPIRS1
508-231VERIZON NEW ENGLAND
SPRINT PCS
SPRINT NEXTEL
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508-632GLOBAL NAPSQNCYMACE5MD
508-321COMCAST DIGITAL PHONE
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XO COMMUNICATIONS INC
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508-338SPRINT NEXTEL
LEVEL 3
XO COMMUNICATIONS INC
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508-733AT&T MOBILITYCMBSMA01GT0
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508-644RNK INC
LEVEL 3
VERIZON NEW ENGLAND
COMCAST DIGITAL PHONE
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508-981AT&T MOBILITYAVONMACIGT0
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RNK INC
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GLOBAL CROSSING LOCAL SERVICES INC
BANDWIDTH.COM
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LWRNMACAX5X
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508-591BANDWIDTH.COM
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COMCAST DIGITAL PHONE
LEVEL 3
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508-441SPRINT PCS
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SPRINT NEXTEL
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COMCAST DIGITAL PHONE
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AT&T MOBILITY
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508-936LEVEL 3
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508-968VERIZON NEW ENGLANDCTMTMADERS1
Block NameAssigned ToSwitches
508-796XO COMMUNICATIONS
YMAX COMMUNICATIONS
CHARTER TELEPHONE
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508-406LEVEL 3
T-MOBILE
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508-400SPRINT NEXTELBSTOMARI3MD
508-648AT&T MOBILITYAVONMACIGT0
508-287T-MOBILEBRTNMACRLMD
508-413SPRINT NEXTEL
LEVEL 3
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COMMPARTNERS CONNECT
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XO COMMUNICATIONS INC
COMCAST DIGITAL PHONE
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508-692SPRINT NEXTEL
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AT&T MOBILITY
LEVEL 3
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508-927TELEPORT COMMUNICATIONS GROUP
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XO COMMUNICATIONS INC
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508-904T-MOBILENRTNMAAACM4
508-525VERIZON WIRELESS
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LEVEL 3
RCN TELECOM
WRXBMAWACM3
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508-721VERIZON NEW ENGLAND
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508-434CHARTER TELEPHONE
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OXFRMAAKPS0
WRCSMACEX1X
CMBRMAORDS3
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508-365GLOBAL CROSSING LOCAL SERVICES INC
VERIZON WIRELESS
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508-275LEVEL 3
XO COMMUNICATIONS INC
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CMBSMAAZDS0
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LWRNMACAXYX
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508-474ONE COMMUNICATIONS
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RNK INC
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FRMNMAUNX0X
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508-980LEVEL 3
XO COMMUNICATIONS INC
CONVERSENT COMMUNICATIONS
VERIZON BUSINESS
SPRINT NEXTEL
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CMBRMAORDS0
MNFDMABPCM0
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508-403LEVEL 3CMBRMAORDS3
508-408VERIZON ACCESS TRANSMISSION SERVICES
SPRINT NEXTEL
BROADVIEW NETWORKS
COMMPARTNERS CONNECT
PAETEC COMMUNICATIONS
XO COMMUNICATIONS INC
BSTNMABLDS3
MNFDMABPCM0
CHTWMABMDS3
LWRNMACAXYX
BSTNMACODS7
CMBRMAMQDS0
508-905ONE COMMUNICATIONS
XO COMMUNICATIONS INC
MEGACLEC
RCN TELECOM
BRTNMACR0MD
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QNCYMACE00T
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508-402ONE COMMUNICATIONSWRCSMANKDS0
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508-283T-MOBILE
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DSCI CORPORATION
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NRTNMAAACM4
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CHTWMABFDS2
LWRNMACAXYX
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508-919ONE COMMUNICATIONS
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508-262GLOBAL NAPSQNCYMACE5MD
508-280AT&T MOBILITYAVONMACIGT0
508-670NORFOLK COUNTY INTERNET INCFKLNMACNDS0
508-734VERIZON WIRELESS
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LEVEL 3
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COMCAST DIGITAL PHONE
MEGACLEC
LEVEL 3
WRXBMAWACM3
FRMNMAUNX0X
CMBSMAAZDS0
CMBRMAORDS0
CHFRMAAHPS0
QNCYMACE00T
CMBRMAORDSG
508-216TELEPORT COMMUNICATIONS GROUP
SPRINT PCS
XO COMMUNICATIONS INC
WRCSMA02DS1
WLPLMAALCM0
BSTPMALLDS1
508-585NORFOLK COUNTY INTERNET INCFKLNMACNDS0
508-932AT&T MOBILITYCMBSMA01GT0
508-603LEVEL 3
CHARTER TELEPHONE
COMMPARTNERS CONNECT
XO COMMUNICATIONS INC
PAETEC COMMUNICATIONS
MEGACLEC
BANDWIDTH.COM
CMBRMAORDS3
OXFRMAAKPS0
LWRNMACAXYX
BSTPMALLDS1
BSTNMACODS7
QNCYMACE00T
BSTNMABLOMD
508-306LEVEL 3
BANDWIDTH.COM
XO COMMUNICATIONS INC
BROADVIEW NETWORKS
CMBRMAORDS3
BSTNMABLOMD
CMBRMAMQDS0
CHTWMABMDS3
BSTPMALLDS1
508-319BROADVIEW NETWORKSCHTWMABMDS3
508-328SPRINT NEXTELMNFDMABPCM0
508-302GLOBAL NAPSQNCYMACE3MD
508-870VERIZON NEW ENGLANDWSBOMASUDS1
508-683ONE COMMUNICATIONS
VERIZON NEW ENGLAND
PAETEC COMMUNICATIONS
CONVERSENT COMMUNICATIONS
FRMNMAUNX0X
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T-MOBILE
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MNFDMABPCM0
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LEVEL 3
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NBFRMAAEDS1
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508-313LEVEL 3
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508-444LEVEL 3
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LEVEL 3
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XO COMMUNICATIONS INC
BROADVIEW NETWORKS
MEGACLEC
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508-668VERIZON NEW ENGLANDWLPLMASSDS0
508-748VERIZON NEW ENGLANDMARNMAMIRS1
508-627AT&T MOBILITY
VERIZON NEW ENGLAND
CMBSMA01GT0
EDGRMAPPRS1
508-291VERIZON NEW ENGLANDWAHMMAHIDS0
508-438ONE COMMUNICATIONSWRCSMANKDS0
508-527AT&T MOBILITYCMBSMA01GT0
508-270VERIZON NEW ENGLANDFRMNMAUNDS8
508-691XO COMMUNICATIONS INC
VERIZON BUSINESS
CMBRMAMQDS0
BSTPMALLDS1
CMBRMAORDS0
508-548VERIZON NEW ENGLANDFLMOMAMGDS0
508-764VERIZON NEW ENGLANDSBDGMAMARS1
508-947VERIZON NEW ENGLANDMDLBMAJADS0
508-251COMCAST DIGITAL PHONE
XO COMMUNICATIONS INC
XO COMMUNICATIONS
LEVEL 3
VERIZON BUSINESS
BANDWIDTH.COM
CHFRMAAHPS1
CMBRMAMQDS0
BSTPMALLDS4
CMBRMAORDS3
CMBRMAORDS0
BSTPMALLDS1
CMBRMAORDSG
BSTNMABLOMD
508-672VERIZON NEW ENGLANDFLRVMANMDS1
508-447NORFOLK COUNTY INTERNET INCFKLNMACNDS0
508-543VERIZON NEW ENGLANDFXBOMACORS1
508-788VERIZON NEW ENGLANDNFRMMAEDDS0
508-214COMCAST DIGITAL PHONE
COMMPARTNERS CONNECT
LEVEL 3
FRMNMARWPS0
LWRNMACAXYX
CMBRMAORDS3
508-202AT&T LONG DISTANCE
AT&T MOBILITY
SPRINT NEXTEL
LEVEL 3
MEGACLEC
T-MOBILE
COMCAST DIGITAL PHONE
WLHMMASEDS1
AVONMACIGT0
MNFDMABPCM0
CMBRMAORDS3
QNCYMACE00T
NRTNMAAACM4
CHFRMAAHPS0
508-944VERIZON WIRELESSWRXBMAWACM3
508-305AT&T LOCAL
COMCAST DIGITAL PHONE
FRMNMAWADS0
CHFRMAAHPS1
508-458XO COMMUNICATIONS INC
AT&T LONG DISTANCE
YMAX COMMUNICATIONS
CMBRMAMQDS0
WLHMMASEDS1
CMBRMAMQDS3
BSTPMALLDS1
508-897VERIZON NEW ENGLAND
AT&T MOBILITY
BRTNMACRDS1
AVONMACIGT0
508-534GLOBAL CROSSING LOCAL SERVICES INC
VERIZON BUSINESS
COMCAST DIGITAL PHONE
BSTNMACODS6
CMBRMAORDS0
FRMNMARWPS0
508-653VERIZON NEW ENGLANDNTCKMAECDS1
508-839VERIZON NEW ENGLANDGFTNMAWORS1
508-339VERIZON NEW ENGLANDMNFDMABRDS0
508-326SPRINT NEXTELMNFDMABPCM0
508-671VERIZON NEW ENGLANDWBSTMANEDS0
508-384VERIZON NEW ENGLANDWRHMMASORS1
508-348VERIZON NEW ENGLAND
COMCAST DIGITAL PHONE
LEVEL 3
COMMPARTNERS CONNECT
SPRINT NEXTEL
XO COMMUNICATIONS INC
BANDWIDTH.COM
CHHMMAOHRS1
FRMNMARWPS0
CMBRMAORDS3
LWRNMACAXYX
MNFDMABPCM0
BSTPMALLDS1
BSTNMABLOMD
508-715LEVEL 3CMBRMAORDS3
508-253VERIZON NEW ENGLANDFRMNMAUNDS8
508-471AT&T MOBILITY
ONE COMMUNICATIONS
LEVEL 3
AVONMACIGT0
WRCSMACEX1X
CMBRMAORDS3
508-855VERIZON NEW ENGLANDGNDLMASUDS0
508-755VERIZON NEW ENGLANDWRCSMACEDS3
508-579SPRINT PCSWLPLMAALCM1
508-566AT&T MOBILITYAVONMACIGT0
508-277VERIZON WIRELESSWSBOMAGJCM0
508-229VERIZON NEW ENGLANDMRBOMAMADS0
508-810VERIZON ACCESS TRANSMISSION SERVICESBSTNMABLDS3
508-389VERIZON NEW ENGLANDWSBOMASUDS1
508-247LEVEL 3
ONE COMMUNICATIONS
VERIZON NEW ENGLAND
AT&T LOCAL
AT&T MOBILITY
CMBRMAORDS3
BRTNMACR0MD
ORLNMAYADS0
CMBRMA01OMD
AVONMACIGT0
508-758LEVEL 3
VERIZON NEW ENGLAND
RNK INC
COMCAST DIGITAL PHONE
CMBRMAORDS3
MTPSMAMHRS1
BDFRMAAWDS0
FXBOMAAVPS0
508-541VERIZON NEW ENGLANDFKLNMAMCDS0
508-845VERIZON NEW ENGLANDSHRWMAGRDS1
508-655VERIZON NEW ENGLANDNTCKMAECDS1
508-477VERIZON NEW ENGLANDMSHPMAGNDS0
508-816SPRINT PCSWLPLMAALCM1
508-207VERIZON WIRELESS
BROADVIEW NETWORKS
TELEPORT COMMUNICATIONS GROUP
XO COMMUNICATIONS INC
WRXBMAWACM3
CHTWMABMDS3
WRCSMA02DS1
CMBRMAMQDS0
508-628VERIZON NEW ENGLANDFRMNMAUNDS8
508-416TELEPORT COMMUNICATIONS GROUPWRCSMA02DS1
508-576LEVEL 3
SPRINT NEXTEL
COMMPARTNERS CONNECT
MEGACLEC
CMBSMAAZDS0
MNFDMABPCM0
LWRNMACAXYX
QNCYMACE00T
508-863T-MOBILE
MEGACLEC
BROADVIEW NETWORKS
BRTNMACRLMD
QNCYMACE00T
CHTWMABMDS3
508-317AT&T MOBILITYAVONMACIGT0
508-292T-MOBILEBRTNMACRLMD
508-619LEVEL 3
DSCI CORPORATION
CMBRMAORDS3
CHTWMABFDS2
508-265AT&T MOBILITYCMBSMA01GT0
508-674VERIZON NEW ENGLANDFLRVMANMDS1
508-565VERIZON NEW ENGLANDESTNMANMDS0
508-331AT&T MOBILITYAVONMACIGT0
508-459CHARTER TELEPHONE
CONVERSENT COMMUNICATIONS
PAETEC COMMUNICATIONS
OXFRMAAKPS0
WRCSMA05DS0
BSTNMACODS7
508-564AT&T MOBILITY
VERIZON NEW ENGLAND
CMBSMA01GT0
CTMTMADERS1
508-835COMMPARTNERS CONNECT
VERIZON NEW ENGLAND
LWRNMACAXYX
WBTNMAPRDS0
508-775VERIZON NEW ENGLANDHYNSMAOCDS1
508-635LEVEL 3
VERIZON WIRELESS
CMBSMAAZDS0
WSBOMAGJCM0
508-866LEVEL 3
VERIZON NEW ENGLAND
CMBRMAORDS3
CRVRMAMARS1
508-376VERIZON NEW ENGLAND
ONE COMMUNICATIONS
MLISMAMARS3
FRMNMAUNX0X
508-421VERIZON NEW ENGLANDWRCSMACEDS3
508-857COMCAST DIGITAL PHONE
AT&T MOBILITY
SPRINT PCS
FRMNMARWPS0
AVONMACIGT0
WLPLMAALCM0
508-304T-MOBILE
CHARTER TELEPHONE
SPRINT NEXTEL
MEGACLEC
NRTNMAAACM4
OXFRMAAKPS0
MNFDMABPCM0
QNCYMACE2MD
508-446AT&T MOBILITY
VERIZON NEW ENGLAND
CMBSMA01GT0
FKLNMAMCDS0