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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-642 A Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 0 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 1 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 2 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 3 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 4 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-642 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-642 7 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 8 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      
303-642 9 Denver CO CCCNCOMADS0  9636 QWEST CORPORATION 656      

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

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