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: OKCYOKFNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-363 A Stillwater OK 428A ICON TELECOM, INC. - OK 536      
580-356 A Duncan OK 428A ICON TELECOM, INC. - OK 536      
580-452 A Lawton OK 428A ICON TELECOM, INC. - OK 536      
580-489 A Glencoe OK 428A ICON TELECOM, INC. - OK 536      
580-506 A Durant OK 428A ICON TELECOM, INC. - OK 536      
580-573 A Rush Springs OK 428A ICON TELECOM, INC. - OK 536      
580-629 A Marlow OK 428A ICON TELECOM, INC. - OK 536      
580-636 A Perry OK 428A ICON TELECOM, INC. - OK 536      
580-659 A Altus OK 428A ICON TELECOM, INC. - OK 536      
580-731 A Ada OK 428A ICON TELECOM, INC. - OK 536      
580-783 A Morrison OK 428A ICON TELECOM, INC. - OK 536      
580-882 A Ardmore OK 520A ICON TELECOM, INC. - OK 536      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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