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: AURRCOMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-326 A Denver CO 9636 QWEST CORPORATION 656      
303-340 A Denver CO 9636 QWEST CORPORATION 656      
303-341 A Denver CO 9636 QWEST CORPORATION 656      
303-343 A Denver CO 9636 QWEST CORPORATION 656      
303-344 A Denver CO 9636 QWEST CORPORATION 656      
303-360 A Denver CO 9636 QWEST CORPORATION 656      
303-361 A Denver CO 9636 QWEST CORPORATION 656      
303-363 A Denver CO 9636 QWEST CORPORATION 656      
303-364 A Denver CO 9636 QWEST CORPORATION 656      
303-365 A Denver CO 9636 QWEST CORPORATION 656      
303-366 A Denver CO 9636 QWEST CORPORATION 656      
303-367 A Denver CO 9636 QWEST CORPORATION 656      
303-676 A Denver CO 9636 QWEST CORPORATION 656      
303-676 0 Denver CO 9636 QWEST CORPORATION 656      
303-676 1 Denver CO 9636 QWEST CORPORATION 656      
303-676 2 Denver CO 9636 QWEST CORPORATION 656      
303-676 3 Denver CO 9636 QWEST CORPORATION 656      
303-676 4 Denver CO 9636 QWEST CORPORATION 656      
303-676 5 Denver CO 9636 QWEST CORPORATION 656      
303-676 6 Denver CO 9636 QWEST CORPORATION 656      
303-676 9 Denver CO 9636 QWEST CORPORATION 656      
303-677 A Denver CO 9636 QWEST CORPORATION 656      
303-724 A Denver CO 9636 QWEST CORPORATION 656      
303-739 A Denver CO 9636 QWEST CORPORATION 656      
720-553 A Denver CO 9636 QWEST CORPORATION 656      
720-777 A Denver CO 9636 QWEST CORPORATION 656      
720-847 A Denver CO 9636 QWEST CORPORATION 656      
720-847 0 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 1 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 2 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 3 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 4 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 5 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 6 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 7 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 8 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-847 9 Denver CO 9636 QWEST CORPORATION 656   2003-12-27   
720-848 A Denver CO 9636 QWEST CORPORATION 656      
720-857 A Denver CO 9636 QWEST CORPORATION 656      
720-858 A Denver CO 9636 QWEST CORPORATION 656      
720-859 A Denver CO 9636 QWEST CORPORATION 656      

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

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