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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-504 A Claremont NH MRMCNHGICM0  6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      
603-504 0 Claremont NH   9827 OTEL TELEKOM, INC. - NH 122   2005-01-14   
603-504 1 Claremont NH   2698 CTC COMMUNICATIONS CORP. - NH 122   2004-04-06   
603-504 2 Claremont NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2005-11-22   
603-504 3 Claremont NH   4206 PAETEC COMMUNICATIONS, INC. - NH 122   2004-08-04   
603-504 4 Claremont NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2004-06-14   
603-504 5 Claremont NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2006-08-07   
603-504 6 Claremont NH   4112 COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH 122   2006-10-30   
603-504 7 Claremont NH   6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      
603-504 8 Claremont NH   6290 UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE 122      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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