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: 569

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-569 A Georgetown CO GRTWCOMARS1  9636 QWEST CORPORATION 656      
303-569 0 Georgetown CO   9636 QWEST CORPORATION 656      
303-569 1 Georgetown CO   9636 QWEST CORPORATION 656      
303-569 2 Georgetown CO   9636 QWEST CORPORATION 656      
303-569 3 Georgetown CO   9636 QWEST CORPORATION 656      
303-569 4 Georgetown CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-03-29   
303-569 5 Georgetown CO   318J COMCAST IP PHONE, LLC 656   2006-07-27   
303-569 6 Georgetown CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
303-569 7 Georgetown CO   026D ONVOY, LLC - CO 656   2006-01-29   
303-569 8 Georgetown CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-20   
303-569 9 Georgetown CO   026D ONVOY, LLC - CO 656   2006-12-03   

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

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