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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-250 A Troy MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-250 0 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-03-01   
248-250 1 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-03-01   
248-250 2 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-03-19   
248-250 3 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-04-02   
248-250 4 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-06   
248-250 5 Troy MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2004-12-28   
248-250 6 Troy MI SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2007-08-02   
248-250 7 Troy MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2005-01-16   
248-250 8 Troy MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2007-05-28   
248-250 9 Troy MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.