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: 714

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-714 A Milford-White Lake MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-714 0 Milford-White Lake MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2007-09-17   
248-714 1 Milford-White Lake MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-11-20   
248-714 2 Milford-White Lake MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-11-20   
248-714 4 Milford-White Lake MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-11-20   
248-714 5 Milford-White Lake MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2006-07-15   
248-714 6 Milford-White Lake MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2010-09-14   
248-714 7 Milford-White Lake MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2007-07-15   
248-714 8 Milford-White Lake MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2013-01-27   
248-714 9 Milford-White Lake MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2007-03-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.