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: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-818 A Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-818 0 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2008-11-15   
603-818 1 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 2 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 3 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 4 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-06-15   
603-818 5 Derry NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2006-06-22   
603-818 6 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 7 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-07-26   
603-818 8 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-06-04   
603-818 9 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

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

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