Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-303 A Denver CO   557H WIDE VOICE, LLC - CO 656   2024-10-27   
303-303 0 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 1 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 2 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 3 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 4 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 5 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 6 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 7 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 8 Denver CO   557H WIDE VOICE, LLC - CO 656      
303-303 9 Denver CO   557H WIDE VOICE, LLC - CO 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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