Local Calling Guide

Area code/prefix search

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

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-307 A North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-307 0 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-06-01   
603-307 1 North Conway NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2016-10-27   
603-307 2 North Conway NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-03   
603-307 3 North Conway NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122   2013-01-09   
603-307 4 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-06-17   
603-307 5 North Conway NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-06-08   
603-307 7 North Conway NH NCWYNHKERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-05-19   
603-307 8 North Conway NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-11-10   
603-307 9 North Conway NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-04-01   

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

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