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: OKCYOKCEXFZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-504 6 Minco OK 197D VONAGE AMERICA LLC 536   2021-07-11   
405-914 9 Norman OK 197D VONAGE AMERICA LLC 536   2022-10-17   
405-992 A Oklahoma City OK 197D VONAGE AMERICA LLC 536      
405-992 0 Oklahoma City OK 197D VONAGE AMERICA LLC 536   2018-02-04   
572-272 6 Stillwater OK 197D VONAGE AMERICA LLC 536   2023-12-08   
572-800 7 Wellston OK 197D VONAGE AMERICA LLC 536   2021-07-11   
580-407 3 Idabel OK 197D VONAGE AMERICA LLC 536   2021-07-11   
580-416 6 Morrison OK 197D VONAGE AMERICA LLC 536   2019-12-23   

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

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