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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
603-327 A Salem NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-327 0 Salem NH   829J PAETEC ITEL, LLC 122      
603-327 1 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2015-06-01   
603-327 4 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-327 5 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2011-03-04   
603-327 6 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2014-04-01   
603-327 7 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-327 8 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-327 9 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2012-05-01   
603-328 A Salem NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-328 0 Salem NH   9827 OTEL TELEKOM, INC. - NH 122   2005-01-24   
603-328 1 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 2 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 3 Salem NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-04-18   
603-328 4 Salem NH   637E ONVOY, LLC - NH 122   2023-02-09   
603-328 5 Salem NH   318J COMCAST IP PHONE, LLC 122   2015-08-04   
603-328 6 Salem NH   829J PAETEC ITEL, LLC 122      
603-328 7 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2024-04-23   
603-328 8 Salem NH   318J COMCAST IP PHONE, LLC 122   2014-11-24   
603-328 9 Salem NH   829J PAETEC ITEL, LLC 122   2000-07-21   
603-329 A Hampstead NH HMPSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 0 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 1 Hampstead NH   829J PAETEC ITEL, LLC 122   2001-09-24   
603-329 2 Hampstead NH   6386 BELL ATLANTIC MOBILE, INC 122   2018-10-08   
603-329 3 Hampstead NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-329 4 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 5 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 6 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 7 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 8 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 9 Hampstead NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-330 A Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-331 A Colebrook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-331 0 Colebrook NH   9827 OTEL TELEKOM, INC. - NH 122   2010-08-05   
603-331 1 Colebrook NH   6386 BELL ATLANTIC MOBILE, INC 122   2009-03-16   
603-331 2 Colebrook NH   6386 BELL ATLANTIC MOBILE, INC 122   2010-09-02   
603-331 3 Colebrook NH   6386 BELL ATLANTIC MOBILE, INC 122   2014-05-14   
603-331 4 Colebrook NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-331 5 Colebrook NH   6386 BELL ATLANTIC MOBILE, INC 122   2012-10-12   
603-331 6 Colebrook NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2020-10-26   
603-332 A Rochester NH ROCHNHWEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-333 A Concord NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122      
603-333 0 Concord NH   6386 BELL ATLANTIC MOBILE, INC 122   2018-01-29   
603-333 1 Concord NH   927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2018-01-26   
603-333 2 Concord NH   318J COMCAST IP PHONE, LLC 122   2018-01-27   
603-333 3 Concord NH   927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2018-02-02   
603-333 4 Concord NH   5562 METROPCS, INC. 122   2018-06-10   
603-333 5 Concord NH   6386 BELL ATLANTIC MOBILE, INC 122   2018-07-13   
603-333 6 Concord NH   6386 BELL ATLANTIC MOBILE, INC 122   2018-10-05   
603-333 7 Concord NH   5562 METROPCS, INC. 122   2018-10-13   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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