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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-278 A South Lyon MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-278 0 South Lyon MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
248-278 1 South Lyon MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-278 2 South Lyon MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-278 3 South Lyon MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-278 4 South Lyon MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-278 5 South Lyon MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-278 6 South Lyon MI   961J WOW! INTERNET, CABLE AND PHONE 340      
248-278 7 South Lyon MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-278 8 South Lyon MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-278 9 South Lyon MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.