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: TULSOKTBX5Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-738 3 Ralston OK 073H TELNYX LLC 538   2019-01-10   
918-739 1 Catoosa OK 073H TELNYX LLC 538   2017-04-03   
918-762 0 Pawnee OK 073H TELNYX LLC 538   2019-01-10   
918-818 9 Delaware OK 073H TELNYX LLC 538   2019-01-10   
918-820 1 McAlester OK 073H TELNYX LLC 538   2017-04-03   
918-848 9 Fairland OK 073H TELNYX LLC 538   2019-01-21   
918-871 3 Tahlequah OK 073H TELNYX LLC 538   2017-04-03   
918-890 3 Drumright OK 073H TELNYX LLC 538   2017-04-03   
918-956 4 Cleveland OK 073H TELNYX LLC 538   2018-10-31   
918-972 3 Dewey OK 073H TELNYX LLC 538   2018-10-31   
918-995 3 Jenks OK 073H TELNYX LLC 538   2017-04-03   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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