Local Calling Guide

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

NXX: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-610 A Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 0 Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 1 Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 2 Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 3 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2012-04-25   
603-610 4 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2001-12-09   
603-610 5 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2001-12-09   
603-610 6 Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-610 7 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2004-04-19   
603-610 8 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2004-04-19   
603-610 9 Portsmouth NH DOVRNHTH8MD  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      

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

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