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: TROYMISMDS0

Remotes:

Switch Switch name Switch type
BRHMMIMNRS1  BIRMINGHAM  RS 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-655 4 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-655 5 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-655 8 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-655 9 Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      
248-816 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-822 A Birmingham MI 9323 MICHIGAN BELL TEL CO 340      
248-898 A Royal Oak MI 9323 MICHIGAN BELL TEL CO 340      

<< 1 2

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

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