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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-688 A Troy MI PLMOMIFA7MD  7421 AT&T LOCAL 340      
248-688 0 Troy MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-05-28   
248-688 1 Troy MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2008-09-15   
248-688 2 Troy MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2006-02-04   
248-688 3 Troy MI PLMOMIFA7MD  7421 AT&T LOCAL 340      
248-688 4 Troy MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2008-07-27   
248-688 5 Troy MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2006-02-04   
248-688 6 Troy MI LIVNMIUX0MD  5562 METRO PCS, INC. 340   2006-02-04   
248-688 7 Troy MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-05-29   
248-688 8 Troy MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-05-29   
248-688 9 Troy MI   318J COMCAST IP PHONE LLC 340   2008-11-21   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.