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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
603-539 2 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 3 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 4 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 5 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 6 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 7 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 8 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-539 9 Center Ossipee NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-540 A Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-540 0 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-540 1 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-540 2 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-540 3 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2002-11-28   
603-540 4 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2003-01-06   
603-540 5 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-540 6 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2003-02-08   
603-540 7 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2003-02-08   
603-540 8 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-540 9 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-541 A Manchester NH MNCHNHCOPS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 0 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 1 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 2 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 3 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 4 Manchester NH   073H TELNYX LLC 122   2022-11-17   
603-541 5 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 6 Manchester NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-541 7 Manchester NH   637E ONVOY, LLC - NH 122   2020-02-04   
603-541 8 Manchester NH   145J TERRA NOVA TELECOM INC. 122   2021-11-02   
603-541 9 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-01-07   
603-542 A Claremont NH CLMTNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 A Claremont NH CLMTNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 0 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 1 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 2 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 3 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 4 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 5 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 6 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 7 Claremont NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-543 8 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-543 9 Claremont NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-544 A Melvin Village NH MLVGNHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 0 Melvin Village NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 2 Melvin Village NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 4 Melvin Village NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-544 5 Melvin Village NH   793K TWC IP ENABLED SERVICES, LLC 122   2018-05-21   
603-545 A Concord NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-545 0 Concord NH   829J PAETEC ITEL, LLC 122      
603-545 1 Concord NH   6386 BELL ATLANTIC MOBILE, INC 122   2006-10-02   

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

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