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: 693

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-693 A Epping NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-693 0 Epping NH   829J PAETEC ITEL, LLC 122   2002-06-03   
603-693 1 Epping NH   829J PAETEC ITEL, LLC 122   2004-09-18   
603-693 2 Epping NH   8468 FREEDOM RING COMMUNICATIONS, LLC 122   2007-10-30   
603-693 3 Epping NH   145J TERRA NOVA TELECOM INC. 122   2024-08-07   
603-693 5 Epping NH   9827 OTEL TELEKOM, INC. - NH 122   2011-03-07   
603-693 6 Epping NH   829J PAETEC ITEL, LLC 122      
603-693 7 Epping NH   318J COMCAST IP PHONE, LLC 122   2015-04-03   
603-693 8 Epping NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-06-09   

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

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