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.

NPA: 539 [Rate centres in NPA 539] [Dial plan for NPA 539]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-221 A Haskell OK HSKLOKXAPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      
539-221 0 Haskell OK TULSOKTBXRZ  073H TELNYX LLC 538      
539-221 1 Haskell OK TULSOKTBXRZ  073H TELNYX LLC 538      
539-221 2 Haskell OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-221 4 Haskell OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-221 5 Haskell OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-221 6 Haskell OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-221 7 Haskell OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-221 9 Haskell OK HSKLOKXAPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.