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
603-273 A Laconia NH MNCHNHACDS0  7778 BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH 122      
603-273 0 Laconia NH   2527 CHOICE ONE COMMUNICATIONS OF NEW HAMPSHIRE, INC. 122   2000-05-24   
603-273 1 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2015-05-06   
603-273 2 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2013-02-01   
603-273 3 Laconia NH   6664 SPRINT SPECTRUM L.P. 122   2012-09-27   
603-273 4 Laconia NH   9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-273 5 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2020-10-20   
603-273 6 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2013-12-28   
603-273 7 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2013-04-01   
603-273 8 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2015-09-01   
603-273 9 Laconia NH   7778 BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH 122      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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