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: FTCLCOMAAMD

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-827 3 Vail CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2020-11-02   
970-831 6 Brush CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2021-03-30   
970-839 6 Silt CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2022-08-08   
970-855 9 Edwards CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2021-02-22   
970-894 6 Berthoud CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2024-08-12   
970-905 6 Fruita CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2024-08-12   
970-935 6 Breckenridge CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-08-04   
970-966 9 Loveland CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2020-01-23   
970-997 6 Kremmling CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-08-07   
983-201 A Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
983-201 0 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 1 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 2 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 3 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 4 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 5 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 6 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 7 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 8 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   
983-201 9 Denver CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2023-10-23   

<< 1 2

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.