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.

Gerty, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-742 A OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
580-742 0 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2020-04-16   
580-742 1 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-742 7 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2021-09-23   
580-892 A GRTYOKXARP0  1965 WINDSTREAM OKLAHOMA, INC. 536      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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