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.

OCN: 409F ONVOY, LLC - OK

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-995 4 Jenks OK TULSOKTBXHY  538   2020-11-14   
918-995 6 Jenks OK TULSOKTBXHY  538   2020-11-14   
918-999 A Tulsa OK TULSOKTBXHY  538      
918-999 9 Tulsa OK TULSOKTBXHY  538   2012-06-01   

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Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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