Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   073H TELNYX LLC 538   2020-06-18   
539-221 1 Haskell OK   073H TELNYX LLC 538   2023-08-05   
539-221 2 Haskell OK   409F ONVOY, LLC - OK 538   2020-10-29   
539-221 4 Haskell OK   409F ONVOY, LLC - OK 538   2021-01-21   
539-221 5 Haskell OK   409F ONVOY, LLC - OK 538   2021-01-21   
539-221 6 Haskell OK   409F ONVOY, LLC - OK 538   2021-01-21   
539-221 7 Haskell OK   409F ONVOY, LLC - OK 538   2021-01-21   
539-221 8 Haskell OK   624H ONVOY SPECTRUM, LLC 538   2025-01-23   
539-221 9 Haskell OK   1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538   2018-01-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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