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: FLNTMICDDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-326 A Pontiac MI 7701 PHONE MICHIGAN 340      
248-422 A Troy MI 7701 PHONE MICHIGAN 340      
248-531 A Holly MI 7701 PHONE MICHIGAN 340      
248-665 A Southfield MI 7701 PHONE MICHIGAN 340      
248-678 A Auburn Heights MI 7701 PHONE MICHIGAN 340      
248-686 A Birmingham MI 7701 PHONE MICHIGAN 340      
248-955 A Royal Oak MI 7701 PHONE MICHIGAN 340      
248-956 A Walled Lake MI 7701 PHONE MICHIGAN 340      
248-962 A Northville MI 7701 PHONE MICHIGAN 340      
313-637 A Detroit Zone 6 MI 7701 PHONE MICHIGAN 340      
517-586 A Howell MI 7701 PHONE MICHIGAN 340      
586-353 A Center Line MI 7701 PHONE MICHIGAN 340      
586-464 A Mount Clemens MI 7701 PHONE MICHIGAN 340      
586-541 A Roseville MI 7701 PHONE MICHIGAN 340      
586-684 A New Baltimore MI 7701 PHONE MICHIGAN 340      
586-685 A Utica MI 7701 PHONE MICHIGAN 340      
586-698 A Warren MI 7701 PHONE MICHIGAN 340      
586-960 A Romeo MI 7701 PHONE MICHIGAN 340      
734-237 A Livonia MI 7701 PHONE MICHIGAN 340      
734-252 A Belleville MI 7701 PHONE MICHIGAN 340      
734-349 A Monroe MI 7701 PHONE MICHIGAN 340      
734-415 A New Boston MI 7701 PHONE MICHIGAN 340      
734-489 A Ann Arbor MI 7701 PHONE MICHIGAN 340      
734-559 A Trenton MI 7701 PHONE MICHIGAN 340      
810-244 A Flint MI 7701 PHONE MICHIGAN 340      
810-249 A Flint MI 7701 PHONE MICHIGAN 340      
810-328 A St Clair MI 7701 PHONE MICHIGAN 340      
810-455 A Port Huron MI 7701 PHONE MICHIGAN 340      
810-534 A Brighton MI 7701 PHONE MICHIGAN 340      
810-538 A Lapeer MI 7701 PHONE MICHIGAN 340      
810-579 A Grand Blanc MI 7701 PHONE MICHIGAN 340      
810-591 A Flint MI 7701 PHONE MICHIGAN 340      
810-593 A Fenton MI 7701 PHONE MICHIGAN 340      
810-600 A Flint MI 7701 PHONE MICHIGAN 340      
810-605 A Flushing MI 7701 PHONE MICHIGAN 340      
810-670 A Clio-Mount Morris MI 7701 PHONE MICHIGAN 340      
810-676 A Marine City MI 7701 PHONE MICHIGAN 340      
810-682 A Sandusky MI 7701 PHONE MICHIGAN 340      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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