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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-646 A Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 0 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 1 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 2 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 3 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 4 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 5 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 6 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-646 8 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      
303-646 9 Denver CO ELZBCO01DS1  9636 QWEST CORPORATION 656      

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

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