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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-905 6 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-905 7 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-905 9 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 A Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 0 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 1 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 3 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 4 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 5 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 6 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 7 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 8 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-945 9 Southfield MI 9323 MICHIGAN BELL TEL CO 340      
248-948 A Southfield MI 9323 MICHIGAN BELL TEL CO 340      
313-232 A Detroit Zone 5 MI 9323 MICHIGAN BELL TEL CO 340      
313-233 A Detroit Zone 5 MI 9323 MICHIGAN BELL TEL CO 340      
313-507 A Detroit Zone 5 MI 9323 MICHIGAN BELL TEL CO 340      
313-508 A Detroit Zone 5 MI 9323 MICHIGAN BELL TEL CO 340      
313-786 A Detroit Zone 5 MI 9323 MICHIGAN BELL TEL CO 340      

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

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