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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-220 A Birmingham MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340      
248-220 0 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2013-07-17   
248-220 1 Birmingham MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2004-07-22   
248-220 2 Birmingham MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2007-10-22   
248-220 3 Birmingham MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-06-13   
248-220 4 Birmingham MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-08-29   
248-220 5 Birmingham MI SFLDMIDC0MD  4632 TELNET WORLDWIDE, INC. 340   2005-09-04   
248-220 6 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2012-04-02   
248-220 7 Birmingham MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-04-29   
248-220 8 Birmingham MI SFLDMIMNXOX  528A FIRST COMMUNICATIONS, LLC - MI 340   2008-11-02   
248-220 9 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2013-07-17   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.