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: 234

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-234 A Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-234 0 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 1 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 2 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 3 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 4 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 5 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 6 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 7 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 8 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 9 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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