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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-249 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-250 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-304 A Fort Lupton CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-01-09   
303-324 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-350 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-378 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-408 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-475 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-478 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 A Fort Lupton CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-513 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-517 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-570 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-588 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-589 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-601 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-618 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-619 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-638 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-717 A Fort Lupton CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-748 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-807 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-808 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-809 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-810 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-881 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-882 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-883 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-884 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-885 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-886 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-887 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-888 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-898 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-956 A Fort Lupton CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-201 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-237 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-244 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-272 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-273 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-289 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-292 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-04-18   
720-308 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-320 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-326 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
720-357 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-09-01   
720-369 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-05-12   
720-378 A Longmont CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-03-19   
720-412 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-431 A Denver CO 6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-11-20   

1 2 >>

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.