Local Calling Guide

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

NXX: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-309 A Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-309 0 Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-05-27   
603-309 1 Newport NH SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122   2013-11-07   
603-309 2 Newport NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2016-09-12   
603-309 3 Newport NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-03-10   
603-309 4 Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-07-10   
603-309 5 Newport NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-12-22   
603-309 6 Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-11-13   
603-309 7 Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-08-10   
603-309 8 Newport NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-05-18   
603-309 9 Newport NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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