Local Calling Guide

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

NXX: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-647 A Deckers CO DCKRCOMARS1  9636 QWEST CORPORATION 656      
303-647 0 Deckers CO DCKRCOMARS1  9636 QWEST CORPORATION 656      
303-647 1 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-08-22   
303-647 2 Deckers CO DCKRCOMARS1  9636 QWEST CORPORATION 656      
303-647 3 Deckers CO DNVRCO26XIX  073H TELNYX LLC 656   2017-04-01   
303-647 4 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-11-25   
303-647 5 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
303-647 6 Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-19   
303-647 7 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-06-01   
303-647 8 Deckers CO   026D ONVOY, LLC - CO 656   2025-02-01   
303-647 9 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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