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: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-217 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-10-17   
303-217 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-10-17   
303-217 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-11-04   
303-217 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2003-02-26   
303-217 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-01   
303-217 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 8 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-02-06   
303-217 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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