Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: DNVRCOMD4MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-250 8 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-24   
720-252 2 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-11   
720-253 2 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-11   
720-256 0 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-256 1 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-256 3 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-256 4 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-256 6 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-256 7 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-256 8 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-07   
720-258 5 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-266 3 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-266 8 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-266 9 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-269 9 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-271 4 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-09   
720-272 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-273 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-275 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-276 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-289 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-292 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-292 0 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-04-18   
720-292 6 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-05-29   
720-292 7 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-05-29   
720-292 8 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-05-29   
720-292 9 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-05-29   
720-296 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-297 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-298 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-302 3 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-304 5 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-06   
720-308 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-309 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-318 0 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-10-10   
720-320 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-322 3 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-08   
720-322 4 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-08   
720-322 5 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-08   
720-322 6 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-08   
720-326 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-326 4 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-326 5 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-326 6 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-326 7 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-326 8 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-326 9 Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-327 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-329 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-338 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.