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: CHYNWYRF2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-688 1 Tygee Valley ID 939H COMMIO, LLC 654   2021-11-22   
208-688 2 Tygee Valley ID 939H COMMIO, LLC 654   2021-11-22   
307-216 1 Lusk WY 939H COMMIO, LLC 654   2021-11-28   
307-216 6 Lusk WY 939H COMMIO, LLC 654   2021-11-28   
307-291 A Cody WY 939H COMMIO, LLC 654      
307-291 1 Cody WY 939H COMMIO, LLC 654   2021-12-31   
307-291 2 Cody WY 939H COMMIO, LLC 654   2021-12-31   
307-334 1 Lusk WY 939H COMMIO, LLC 654   2023-12-23   
307-340 6 Lusk WY 939H COMMIO, LLC 654   2023-12-23   
307-342 0 Jackson WY 939H COMMIO, LLC 654   2021-09-16   
307-342 8 Jackson WY 939H COMMIO, LLC 654   2021-09-16   
307-374 0 Rock Springs WY 939H COMMIO, LLC 654   2022-07-29   
307-384 A Afton WY 939H COMMIO, LLC 654      
307-384 0 Afton WY 939H COMMIO, LLC 654   2022-01-02   
307-384 1 Afton WY 939H COMMIO, LLC 654   2022-01-02   
307-384 6 Afton WY 939H COMMIO, LLC 654   2023-12-23   
307-384 7 Afton WY 939H COMMIO, LLC 654   2023-12-23   
307-384 9 Afton WY 939H COMMIO, LLC 654   2023-12-23   
307-387 8 Gillette WY 939H COMMIO, LLC 654   2022-07-29   
307-395 1 Laramie WY 939H COMMIO, LLC 654   2022-07-29   
307-418 1 Jackson WY 939H COMMIO, LLC 654   2023-12-23   
307-418 8 Jackson WY 939H COMMIO, LLC 654   2023-12-23   
307-419 0 Cody WY 939H COMMIO, LLC 654   2023-12-23   
307-419 1 Cody WY 939H COMMIO, LLC 654   2023-12-23   
307-419 2 Cody WY 939H COMMIO, LLC 654   2023-12-23   
307-440 0 Basin WY 939H COMMIO, LLC 654   2021-11-27   
307-440 1 Basin WY 939H COMMIO, LLC 654   2021-11-27   
307-443 A Cheyenne WY 939H COMMIO, LLC 654      
307-443 3 Cheyenne WY 939H COMMIO, LLC 654   2019-08-17   
307-458 0 Casper WY 939H COMMIO, LLC 654   2022-07-29   
307-533 8 Sheridan WY 939H COMMIO, LLC 654   2022-09-10   
307-556 0 Riverton WY 939H COMMIO, LLC 654   2022-07-29   
307-667 8 Rawlins WY 939H COMMIO, LLC 654   2021-11-28   
307-667 9 Rawlins WY 939H COMMIO, LLC 654   2021-11-28   
970-802 9 South Cheyenne CO 939H COMMIO, LLC 654   2022-11-05   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.