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: BRHMMIMNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-203 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-258 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 0 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 1 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 2 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 3 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 4 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 5 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 7 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 8 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-433 9 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-540 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-549 A Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 A Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 0 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 4 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 6 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 8 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-554 9 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-593 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-594 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-642 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-644 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-645 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-646 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-647 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-723 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 0 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 1 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 2 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 3 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-901 4 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 1 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 2 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 5 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 6 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 7 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-988 8 Birmingham MI 9323 MICHIGAN BELL TEL CO 340      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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