Local Calling Guide

Area code/prefix search

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-721 A Milford NH   5562 METROPCS, INC. 122      
603-721 0 Milford NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-721 1 Milford NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-721 2 Milford NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-721 3 Milford NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-721 4 Milford NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-721 5 Milford NH   792K CHARTER IP ENABLED SERVICES, LLC 122      
603-721 6 Milford NH MNCHNHNI9MD  5562 METROPCS, INC. 122      
603-721 7 Milford NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122      
603-721 8 Milford NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-721 9 Milford NH MNCHNHNI9MD  5562 METROPCS, INC. 122      

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

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