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: 966

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-966 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 0 Nashua NH   6386 BELL ATLANTIC MOBILE, INC 122   2011-08-01   
603-966 1 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 2 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 3 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 4 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 5 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-09-24   
603-966 6 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 7 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 8 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2005-11-17   
603-966 9 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-10-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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