Local Calling Guide

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

NXX: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-466 A Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 1 Gorham NH   145J TERRA NOVA TELECOM INC. 122   2023-07-10   
603-466 2 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 3 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 4 Gorham NH   9827 OTEL TELEKOM, INC. - NH 122   2005-08-12   
603-466 5 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 7 Gorham NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-466 8 Gorham NH   829J PAETEC ITEL, LLC 122   2005-08-16   
603-466 9 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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