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: TULSOKTBXCZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
539-295 2 Tahlequah OK 145J TERRA NOVA TELECOM INC. 538   2026-04-13   
539-866 A Oilton OK 145J TERRA NOVA TELECOM INC. 538      
539-877 A Hartshorne OK 145J TERRA NOVA TELECOM INC. 538      
539-900 A Tulsa OK 145J TERRA NOVA TELECOM INC. 538      
918-226 7 Kansas OK 145J TERRA NOVA TELECOM INC. 538   2026-03-29   
918-329 2 McAlester OK 145J TERRA NOVA TELECOM INC. 538   2026-05-04   
918-400 1 Fort Gibson OK 145J TERRA NOVA TELECOM INC. 538   2026-03-23   
918-608 6 Muskogee OK 145J TERRA NOVA TELECOM INC. 538   2026-01-05   
918-834 0 Tulsa OK 145J TERRA NOVA TELECOM INC. 538   2026-05-01   
918-837 4 Jay OK 145J TERRA NOVA TELECOM INC. 538   2026-03-29   
918-905 5 Stilwell OK 145J TERRA NOVA TELECOM INC. 538   2026-03-29   
918-968 8 Stroud OK 145J TERRA NOVA TELECOM INC. 538   2026-03-29   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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