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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-690 8 Claremont NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-03   
603-690 9 Claremont NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-691 A Exeter NH MNCHNHNIVMD  939H COMMIO, LLC 122      
603-691 0 Exeter NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-14   
603-691 1 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-691 2 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-691 3 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-23   
603-691 4 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-04-14   
603-691 5 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-07-06   
603-691 6 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-691 7 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-08-28   
603-691 8 Exeter NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-04-07   
603-691 9 Exeter NH MNCHNHNIVMD  939H COMMIO, LLC 122   2023-04-07   
603-692 A Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 0 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 1 Somersworth NH MNCHNHCO45Z  829J PAETEC ITEL, LLC 122   2001-08-10   
603-692 2 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 3 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 4 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 5 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 6 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 7 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 8 Somersworth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-04-08   
603-692 9 Somersworth NH SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-693 A Epping NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122   2025-04-30   
603-693 0 Epping NH MNCHNHCO45Z  829J PAETEC ITEL, LLC 122   2002-06-03   
603-693 2 Epping NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2007-10-30   
603-693 5 Epping NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2011-03-07   
603-693 6 Epping NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-693 7 Epping NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-04-03   
603-693 8 Epping NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-06-09   
603-694 A Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 0 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 1 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 2 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 3 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 5 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 6 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 7 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 8 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-694 9 Chatham NH FRBGMEXADS3  3316 CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY 122      
603-695 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-696 A Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-696 0 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-01-07   
603-696 1 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-01   
603-696 2 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-01   
603-696 3 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-01   
603-696 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-09-10   
603-696 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-09-10   
603-696 6 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-06-16   
603-696 7 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-09-10   
603-696 8 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2021-09-26   
603-696 9 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2021-09-26   
603-697 A Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-697 0 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-697 1 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2022-11-20   
603-697 2 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2022-11-20   
603-697 3 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2022-11-20   
603-697 4 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-04-07   
603-697 5 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-09-09   
603-697 6 Dover NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2023-06-22   
603-697 7 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-697 8 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-02-19   
603-697 9 Dover NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2022-11-24   
603-698 A Manchester NH MNCHNHNIX0X  732J NUSO, LLC 122      
603-698 0 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-698 1 Manchester NH MNCHNHNIX0X  732J NUSO, LLC 122   2023-10-14   
603-698 2 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-698 3 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-698 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-08   
603-698 5 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-11-27   
603-698 6 Manchester NH MNCHNHBO2MD  490J BOOST SUBSCRIBERCO L.L.C. 122   2023-10-27   
603-698 7 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-10-23   
603-698 8 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-10-23   
603-698 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-08-24   
603-699 A Nashua NH MNCHNHNIZMD  732J NUSO, LLC 122      
603-699 0 Nashua NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-699 1 Nashua NH MNCHNHNIZMD  732J NUSO, LLC 122   2023-10-14   
603-699 2 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-15   
603-699 3 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-12-15   
603-699 4 Nashua NH MNCHNHBO2MD  490J BOOST SUBSCRIBERCO L.L.C. 122   2023-11-05   
603-699 5 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-01-19   
603-699 6 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-10-14   
603-699 7 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-699 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-699 9 Nashua NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2023-08-08   
603-701 A New Durham NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-701 1 New Durham NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2025-10-09   
603-701 2 New Durham NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2009-12-11   
603-702 A Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-702 0 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-702 1 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-702 2 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-702 3 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-702 4 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-14   
603-702 5 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-01-21   
603-702 6 Kingston NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2020-09-21   
603-702 7 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2026-04-19   
603-702 8 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-11-13   
603-702 9 Kingston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2025-12-13   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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