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: MTCLMIMNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
586-239 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-239 2 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-01-04   
586-239 3 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-01-04   
586-239 4 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-01-04   
586-239 5 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-01-04   
586-239 6 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-01-04   
586-239 7 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340   2008-05-23   
586-307 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 0 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 1 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 3 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 7 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 8 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-307 9 Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-463 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-465 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-466 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-468 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-469 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-493 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-783 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      
586-954 A Mount Clemens MI 9323 MICHIGAN BELL TEL CO 340      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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