Local Calling Guide

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

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-277 A Hanover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-277 0 Hanover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-277 1 Hanover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-09-22   
603-277 2 Hanover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-10-03   
603-277 3 Hanover NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2008-03-15   
603-277 6 Hanover NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2022-03-03   
603-277 7 Hanover NH   145J TERRA NOVA TELECOM INC. 122   2024-04-23   
603-277 8 Hanover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-09-19   
603-277 9 Hanover NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2007-01-30   

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

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