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.
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Bokchito, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-295 A BKCHOKXARS1  1979 CHEROKEE TEL. CO. 536      
580-733 A OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-733 2   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2018-03-01   
580-733 3   965H FRACTEL, LLC 536   2020-10-03   
580-733 7   145J TERRA NOVA TELECOM INC. 536   2025-07-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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