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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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      
603-476 4 Center Sandwich NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-476 5 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 7 Center Sandwich NH   793K TWC IP ENABLED SERVICES, LLC 122      
603-476 8 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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