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.
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Switch: SLYNMIMNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-437 A South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 A South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 0 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 1 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 2 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 3 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 4 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 5 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 6 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 8 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-446 9 South Lyon MI 9323 MICHIGAN BELL TEL CO 340      
248-486 A South Lyon MI 9323 MICHIGAN BELL TEL CO 340      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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