Local Calling Guide

Area code/prefix search

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

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-379 A Rye Beach NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-379 0 Rye Beach NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2001-03-27   
603-379 1 Rye Beach NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122   2000-05-24   
603-379 2 Rye Beach NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2001-06-28   
603-379 3 Rye Beach NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2001-04-02   
603-379 5 Rye Beach NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2019-06-18   
603-379 6 Rye Beach NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-07   
603-379 7 Rye Beach NH DOVRNHTH8MD  2698 CTC COMMUNICATIONS CORP. - NH 122   2004-02-17   
603-379 8 Rye Beach NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2001-10-31   
603-379 9 Rye Beach NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-02-16   

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

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