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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-434 A Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 0 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 1 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 2 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 3 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 4 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 5 Troy MI SFLDMIDICA0  2550 123.NET, INC. 340   2003-01-24   
248-434 6 Troy MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-07-31   
248-434 7 Troy MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-10-10   
248-434 8 Troy MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2007-05-28   
248-434 9 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.