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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-277 A Northville MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-277 0 Northville MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-277 1 Northville MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-277 2 Northville MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-277 3 Northville MI SFLDMIDICA0  2550 123.NET, LLC 340      
248-277 4 Northville MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-277 5 Northville MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
248-277 6 Northville MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
248-277 7 Northville MI ANARMIMNDS2  3535 ACD TELECOM, INC. - MI 340      
248-277 8 Northville MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
248-277 9 Northville MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.