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: 988

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-988 A Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-988 0 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-11-13   
603-988 1 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2007-05-02   
603-988 2 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-10-19   
603-988 3 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-10-19   
603-988 4 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-01-12   
603-988 5 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-10-03   
603-988 6 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-01-17   
603-988 7 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2004-11-06   
603-988 8 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2004-08-16   
603-988 9 Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2004-08-16   

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

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