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: 732

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-732 A Keenesburg CO KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 0 Keenesburg CO   9636 QWEST CORPORATION 656      
303-732 1 Keenesburg CO   9636 QWEST CORPORATION 656      
303-732 2 Keenesburg CO   9636 QWEST CORPORATION 656      
303-732 3 Keenesburg CO   145J TERRA NOVA TELECOM INC. 656   2025-01-30   
303-732 4 Keenesburg CO   9636 QWEST CORPORATION 656      
303-732 5 Keenesburg CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
303-732 6 Keenesburg CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-01-06   
303-732 7 Keenesburg CO   9636 QWEST CORPORATION 656      
303-732 8 Keenesburg CO   026D ONVOY, LLC - CO 656   2006-01-29   
303-732 9 Keenesburg CO   9636 QWEST CORPORATION 656      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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