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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-574 A Walled Lake MI SFLDMIDIDS2  672B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
248-574 0 Walled Lake MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
248-574 1 Walled Lake MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
248-574 2 Walled Lake MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
248-574 3 Walled Lake MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
248-574 4 Walled Lake MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
248-574 5 Walled Lake MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-574 6 Walled Lake MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-574 7 Walled Lake MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
248-574 8 Walled Lake MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-574 9 Walled Lake MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.