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.

Haskell, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-221 A HSKLOKXAPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      
539-221 0 TULSOKTBXRZ  073H TELNYX LLC 538   2020-06-18   
539-221 1 TULSOKTBXRZ  073H TELNYX LLC 538   2023-08-05   
539-221 2 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-10-29   
539-221 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-01-21   
539-221 5 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-01-21   
539-221 6 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-01-21   
539-221 7 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-01-21   
539-221 9 HSKLOKXAPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538   2018-01-27   
918-482 A HSKLOKXARP0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      
918-736 A BXBYOKXBDS1  669B BTC BROADBAND, INC. 538      
918-736 0 BXBYOKXBDS1  669B BTC BROADBAND, INC. 538   2009-06-20   
918-736 5 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-02-21   
918-736 6 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-02-21   
918-736 7 TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-04-07   
918-736 9 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2020-03-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.