Local Calling Guide

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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-999 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-999 0 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-10-30   
303-999 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
303-999 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-02-04   
303-999 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-05-03   
303-999 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2008-05-07   
303-999 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
303-999 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
303-999 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
303-999 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-06-21   
303-999 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-06-21   

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

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