Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 783

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-783 A Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-783 0 Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-783 1 Canterbury NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-08-16   
603-783 2 Canterbury NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-783 3 Canterbury NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2001-03-27   
603-783 4 Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-783 5 Canterbury NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-783 6 Canterbury NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-08-16   
603-783 7 Canterbury NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2003-06-14   
603-783 8 Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-783 9 Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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