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: ENIDOKMAX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-854 0 Stillwater OK 425J CSC WIRELESS, LLC 536   2019-06-14   
405-854 1 Stillwater OK 425J CSC WIRELESS, LLC 536   2019-06-14   
580-414 A Weatherford OK 425J CSC WIRELESS, LLC 536      
580-414 0 Weatherford OK 425J CSC WIRELESS, LLC 536   2019-06-28   
580-414 2 Weatherford OK 425J CSC WIRELESS, LLC 536   2019-05-17   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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