Local Calling Guide

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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
603-333 A Concord NH   589H AIRUS, INC. - NH 122   2018-01-26   
603-333 0 Concord NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2018-01-29   
603-333 1 Concord NH   589H AIRUS, INC. - NH 122   2018-01-26   
603-333 2 Concord NH   4112 COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH 122   2018-01-27   
603-333 3 Concord NH   589H AIRUS, INC. - NH 122   2018-02-02   
603-333 4 Concord NH   5562 METRO PCS, INC. 122   2018-06-10   
603-333 5 Concord NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2018-07-13   
603-333 6 Concord NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2018-10-05   
603-333 7 Concord NH   5562 METRO PCS, INC. 122   2018-10-13   
603-333 8 Concord NH   197D VONAGE NETWORK INC. 122   2018-12-06   
603-333 9 Concord NH   197D VONAGE NETWORK INC. 122   2018-12-06   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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