Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-395 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2009-10-26   
720-395 8 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2009-10-26   
720-472 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-472 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-472 5 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-472 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-472 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 2 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 4 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 9 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 4 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 5 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 8 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-519 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-519 4 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-532 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-532 9 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-533 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-535 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-535 0 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-535 2 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-535 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-559 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-572 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-572 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-01-30   
720-587 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-04-08   
720-587 0 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-587 1 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-587 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-587 4 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-587 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-587 8 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 0 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 1 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 2 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 5 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 8 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-596 9 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 0 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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