Local Calling Guide

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

NXX: 507

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-507 A Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-507 0 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-05-01   
603-507 1 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-05-12   
603-507 2 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-09-11   
603-507 3 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-06-05   
603-507 4 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-01-29   
603-507 5 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2017-01-21   
603-507 6 Rochester NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2017-12-22   
603-507 7 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-07-02   
603-507 8 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-11-20   
603-507 9 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-09-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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