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: SFLDMIMKBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-726 A Detroit Zone 6 MI 516J TON80 COMMUNICATIONS, LLC 340      
313-746 A Detroit Zone 1 MI 516J TON80 COMMUNICATIONS, LLC 340      
517-837 A Tecumseh MI 516J TON80 COMMUNICATIONS, LLC 340      
586-742 A Roseville MI 516J TON80 COMMUNICATIONS, LLC 340      
586-837 A Utica MI 516J TON80 COMMUNICATIONS, LLC 340      
586-926 A Washington MI 516J TON80 COMMUNICATIONS, LLC 340      
734-643 A Wyandotte MI 516J TON80 COMMUNICATIONS, LLC 340      
734-653 A Milan MI 516J TON80 COMMUNICATIONS, LLC 340      
734-683 A Gregory MI 516J TON80 COMMUNICATIONS, LLC 340      
734-684 A Ida MI 516J TON80 COMMUNICATIONS, LLC 340      
734-768 A Ann Arbor MI 516J TON80 COMMUNICATIONS, LLC 340      
734-832 A Willis MI 516J TON80 COMMUNICATIONS, LLC 340      
734-874 A Erie MI 516J TON80 COMMUNICATIONS, LLC 340      
734-932 A Dexter MI 516J TON80 COMMUNICATIONS, LLC 340      
734-937 A Whitmore Lake MI 516J TON80 COMMUNICATIONS, LLC 340      
734-967 A Carleton MI 516J TON80 COMMUNICATIONS, LLC 340      
734-982 A Trenton MI 516J TON80 COMMUNICATIONS, LLC 340      
734-987 A Plymouth MI 516J TON80 COMMUNICATIONS, LLC 340      
810-466 A Columbiaville MI 516J TON80 COMMUNICATIONS, LLC 340      
810-617 A Otisville MI 516J TON80 COMMUNICATIONS, LLC 340      
810-646 A Goodells MI 516J TON80 COMMUNICATIONS, LLC 340      
810-722 A Smiths Creek MI 516J TON80 COMMUNICATIONS, LLC 340      
810-727 A Davison MI 516J TON80 COMMUNICATIONS, LLC 340      
810-737 A Hartland MI 516J TON80 COMMUNICATIONS, LLC 340      
810-776 A Flint MI 516J TON80 COMMUNICATIONS, LLC 340      
947-263 A Lake Orion MI 516J TON80 COMMUNICATIONS, LLC 340      
947-327 A Ortonville MI 516J TON80 COMMUNICATIONS, LLC 340      
947-334 A Birmingham MI 516J TON80 COMMUNICATIONS, LLC 340      
947-339 A Northville MI 516J TON80 COMMUNICATIONS, LLC 340      
947-362 A South Lyon MI 516J TON80 COMMUNICATIONS, LLC 340      
947-366 A Farmington MI 516J TON80 COMMUNICATIONS, LLC 340      
947-376 A Troy MI 516J TON80 COMMUNICATIONS, LLC 340      
947-426 A Southfield MI 516J TON80 COMMUNICATIONS, LLC 340      
947-436 A Troy MI 516J TON80 COMMUNICATIONS, LLC 340      
947-466 A Milford-White Lake MI 516J TON80 COMMUNICATIONS, LLC 340      
947-546 A Walled Lake MI 516J TON80 COMMUNICATIONS, LLC 340      
947-837 A West Bloomfield MI 516J TON80 COMMUNICATIONS, LLC 340      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.