Local Calling Guide

Area code/prefix search

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

NXX: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-363 A Spofford NH SPFRNHMSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-363 1 Spofford NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2002-01-08   
603-363 2 Spofford NH SPFRNHMSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-363 3 Spofford NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2024-01-07   
603-363 4 Spofford NH SPFRNHMSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-363 5 Spofford NH   829J PAETEC ITEL, LLC 122   2002-10-14   
603-363 7 Spofford NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-02-21   
603-363 8 Spofford NH SPFRNHMSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-363 9 Spofford NH SPFRNHMSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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