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: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-686 A Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-686 0 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2007-03-18   
248-686 1 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-05-01   
248-686 2 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-05-01   
248-686 3 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2007-03-18   
248-686 4 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2008-09-26   
248-686 5 Birmingham MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2009-02-20   
248-686 6 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-01-15   
248-686 7 Birmingham MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-05-18   
248-686 8 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-09-03   
248-686 9 Birmingham MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-10-03   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.