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.
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Switch: DNVRCOII3MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-332 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-359 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-523 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-564 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-667 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-668 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-669 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-875 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-931 A Denver CO 6529 T-MOBILE USA, INC. 656      
303-960 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-217 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-220 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-231 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-238 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-261 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-280 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-299 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-323 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-341 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-394 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-401 A Denver CO 6529 T-MOBILE USA, INC. 656   2009-02-27   
720-421 A Denver CO 6529 T-MOBILE USA, INC. 656   2009-05-18   
720-933 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-934 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-935 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-936 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-937 A Denver CO 6529 T-MOBILE USA, INC. 656      
720-939 A Denver CO 6529 T-MOBILE USA, INC. 656      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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