Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-366 A Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-366 0 Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-01-21   
603-366 1 Laconia NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2006-04-03   
603-366 2 Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-366 3 Laconia NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2013-03-05   
603-366 4 Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-366 5 Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-366 6 Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-366 7 Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-366 8 Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-10-23   
603-366 9 Laconia NH WERSNHSTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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