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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-281 A Denver CO DNVRCOSODS0  9636 QWEST CORPORATION 656      
303-282 A Denver CO DNVRCOSODS0  9636 QWEST CORPORATION 656      
303-283 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
303-284 A Denver CO DNVSCOSSPS0  320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 0 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 1 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 2 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 3 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 4 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 5 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 6 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 7 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 8 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-284 9 Denver CO   320A COMCAST PHONE OF COLORADO, LLC - CO 656      
303-285 A Denver CO DNVRCO26DS1  7801 ICG TELECOM GROUP - CO 656      
303-286 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-287 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-288 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-289 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-290 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-291 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-292 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-293 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-294 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-295 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-296 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-297 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-298 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-299 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-300 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-301 A Denver CO DNVRCO26DS1  7801 ICG TELECOM GROUP - CO 656      
303-301 0 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 1 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 2 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 3 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 4 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-20   
303-301 5 Denver CO   6664 SPRINT SPECTRUM L.P. 656   2005-10-31   
303-301 6 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 7 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 8 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-301 9 Denver CO   7801 ICG TELECOM GROUP - CO 656      
303-302 A Denver CO ENWDCO47DS0  8980 XO COLORADO, LLC 656      
303-304 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-01-09   
303-304 0 Fort Lupton CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-01-09   
303-304 1 Fort Lupton CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-01-09   
303-304 2 Fort Lupton CO   6664 SPRINT SPECTRUM L.P. 656   2005-01-14   
303-304 3 Fort Lupton CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-22   
303-304 4 Fort Lupton CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-03-11   
303-304 5 Fort Lupton CO   6664 SPRINT SPECTRUM L.P. 656   2005-06-19   
303-304 6 Fort Lupton CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-07-11   

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Last updated: Sat, 14 Sep 2019 01:44:23 UTC

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