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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
603-336 5 Hinsdale NH HNDLNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-336 6 Hinsdale NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2007-01-30   
603-336 7 Hinsdale NH HNDLNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-336 8 Hinsdale NH   145J TERRA NOVA TELECOM INC. 122   2022-01-04   
603-336 9 Hinsdale NH HNDLNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 A Rochester NH ROCHNHHIPS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 0 Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 1 Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 2 Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 3 Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 4 Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-337 5 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-337 8 Rochester NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2026-01-22   
603-337 9 Rochester NH ROCHNHHIPS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-338 A Keene NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-338 0 Keene NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2015-09-14   
603-338 1 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-30   
603-338 2 Keene NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-10-08   
603-338 3 Keene NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-04-06   
603-338 4 Keene NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-338 5 Keene NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-02-10   
603-338 6 Keene NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-26   
603-338 7 Keene NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-04-24   
603-338 8 Keene NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-02-28   
603-338 9 Keene NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-339 A Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-339 0 Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-339 1 Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-339 2 Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-339 3 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-06-15   
603-339 4 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2010-08-23   
603-339 5 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2010-10-10   
603-339 6 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-07-15   
603-339 7 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-12-03   
603-339 8 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2007-07-26   
603-339 9 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2007-09-12   
603-340 A Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 0 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 1 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 2 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 3 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 4 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 5 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-340 6 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-05-03   
603-340 7 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-02-13   
603-340 8 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-06-12   
603-341 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 0 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-341 1 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-341 2 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-09-02   
603-341 3 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-02-14   
603-341 4 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-17   
603-341 5 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 6 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-01-22   
603-341 7 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-02   
603-341 8 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-341 9 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-10-01   
603-342 A Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 0 Berlin NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2005-01-14   
603-342 1 Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 2 Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 3 Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 4 Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 5 Berlin NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-11-11   
603-342 6 Berlin NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2026-02-28   
603-342 8 Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-342 9 Berlin NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2007-10-17   
603-343 A Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-343 0 Dover NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2004-10-09   
603-343 1 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-343 2 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-343 3 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-07-23   
603-343 4 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-06-06   
603-343 5 Dover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-343 6 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-03-29   
603-343 7 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-12-21   
603-343 8 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-12-21   
603-343 9 Dover NH   829J PAETEC ITEL, LLC 122   2003-05-02   
603-344 A Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-344 0 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 1 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 2 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 3 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 4 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 5 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 6 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 7 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 8 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-344 9 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-345 0 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 1 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 2 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 3 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 4 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 5 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 6 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 7 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 8 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      
603-345 9 Merrimack NH   6290 UNITED STATES CELLULAR - NH 122      

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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