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: DNVRCO26XLX

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-861 2 Greeley CO 939H COMMIO, LLC 656   2024-05-11   
970-861 3 Greeley CO 939H COMMIO, LLC 656   2024-05-11   
970-861 4 Greeley CO 939H COMMIO, LLC 656   2024-05-11   
970-863 A Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 0 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 1 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 2 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 3 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 4 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 5 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 6 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-863 7 Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-869 A Fort Morgan CO 939H COMMIO, LLC 656   2024-05-11   
970-869 0 Fort Morgan CO 939H COMMIO, LLC 656   2024-05-11   
970-869 1 Fort Morgan CO 939H COMMIO, LLC 656   2024-05-11   
970-891 A New Castle CO 939H COMMIO, LLC 656   2024-05-11   
970-891 0 New Castle CO 939H COMMIO, LLC 656   2024-05-11   
970-891 1 New Castle CO 939H COMMIO, LLC 656   2024-05-11   
970-995 2 New Castle CO 939H COMMIO, LLC 656   2023-08-26   
970-995 3 New Castle CO 939H COMMIO, LLC 656   2023-08-26   
970-995 4 New Castle CO 939H COMMIO, LLC 656   2023-08-26   
970-995 6 New Castle CO 939H COMMIO, LLC 656   2023-08-26   
970-995 7 New Castle CO 939H COMMIO, LLC 656   2023-08-26   
970-996 1 Hayden CO 939H COMMIO, LLC 656   2023-08-26   
970-996 2 Hayden CO 939H COMMIO, LLC 656   2023-08-26   
970-996 3 Hayden CO 939H COMMIO, LLC 656   2023-08-26   
970-996 4 Hayden CO 939H COMMIO, LLC 656   2023-08-26   
970-996 5 Hayden CO 939H COMMIO, LLC 656   2023-08-26   

<< 1 2

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.