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: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-635 A Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 0 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 1 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 2 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 3 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 4 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 5 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-635 7 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 8 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-635 9 Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      

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

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