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.

NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-952 A Birmingham MI ABHGMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-952 0 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 1 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 2 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 3 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 4 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-09-21   
248-952 5 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 6 Birmingham MI   9323 AMERITECH MICHIGAN 340      
248-952 7 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-02-14   
248-952 8 Birmingham MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-03-19   
248-952 9 Birmingham MI   2550 123 NET, INC. 340   2012-12-10   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.