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: OKCYOKCEXLZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
572-200 A Fort Cobb OK 965H FRACTEL, LLC 536      
572-222 A Perkins OK 965H FRACTEL, LLC 536      
572-300 A Wewoka OK 965H FRACTEL, LLC 536      
572-333 A Pauls Valley OK 965H FRACTEL, LLC 536      
572-356 A Maysville OK 965H FRACTEL, LLC 536      
572-400 A Wanette OK 965H FRACTEL, LLC 536      
572-444 A Nicoma Park OK 965H FRACTEL, LLC 536      
572-465 A Washington OK 965H FRACTEL, LLC 536      
572-500 A Pocasset OK 965H FRACTEL, LLC 536      
572-529 A Alex OK 965H FRACTEL, LLC 536      
572-666 A El Reno OK 965H FRACTEL, LLC 536      
572-800 A Wellston OK 965H FRACTEL, LLC 536      
572-888 A Piedmont OK 965H FRACTEL, LLC 536      
572-900 A Meridian OK 965H FRACTEL, LLC 536      
572-999 A Guthrie OK 965H FRACTEL, LLC 536      
580-400 A Lawton OK 965H FRACTEL, LLC 536      
580-466 A Okeene OK 965H FRACTEL, LLC 536      
580-577 A Canton OK 965H FRACTEL, LLC 536      
580-800 A Blair OK 965H FRACTEL, LLC 536      
580-899 A Dill City OK 965H FRACTEL, LLC 536      
580-946 A Roger Mills OK 965H FRACTEL, LLC 536      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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