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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
719-877 8 Pueblo-Main CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2021-11-03   
719-940 7 Lamar CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2020-07-01   
719-960 5 Colorado Springs-Main CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2015-12-04   
719-967 4 Trinidad CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2019-09-19   
719-982 5 Antonito CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2020-04-29   
719-989 5 Walsenburg CO 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 658   2020-10-26   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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