Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 836

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-836 A Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-836 0 Manchester NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-01-14   
603-836 1 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-05-07   
603-836 2 Manchester NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2005-06-24   
603-836 3 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2014-09-27   
603-836 4 Manchester NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-836 5 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2009-04-18   
603-836 6 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-05-07   
603-836 7 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-02-28   
603-836 8 Manchester NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2018-03-24   
603-836 9 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-12-09   

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

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