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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
603-471 5 Bedford NH MNCHNHCO23Z  073H TELNYX LLC 122   2023-01-15   
603-471 6 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 7 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 9 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 A Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 0 Bedford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2026-03-09   
603-472 1 Bedford NH   829J PAETEC ITEL, LLC 122   2001-09-10   
603-472 2 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 3 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 4 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 5 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 6 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 7 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 8 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 9 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 A Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 1 Milton Mills NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-473 2 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 3 Milton Mills NH MNCHNHBO2MD  490J BOOST SUBSCRIBERCO L.L.C. 122   2023-10-28   
603-473 4 Milton Mills NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-473 5 Milton Mills NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2001-02-06   
603-473 6 Milton Mills NH MNCHNHCO23Z  073H TELNYX LLC 122   2024-08-02   
603-473 7 Milton Mills NH DOVRNHTHXMX  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-473 8 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 9 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-20   
603-474 A Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 0 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 1 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 2 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 3 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 4 Seabrook NH   829J PAETEC ITEL, LLC 122   2001-04-20   
603-474 5 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 6 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 7 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 8 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 9 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-475 A Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-476 A Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 2 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 3 Center Sandwich NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-476 4 Center Sandwich NH   829J PAETEC ITEL, LLC 122   2016-07-20   
603-476 5 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 7 Center Sandwich NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-476 8 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-477 A Claremont NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-477 0 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 1 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 2 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 3 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 4 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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