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: 573

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-573 A South Lyon MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-573 0 South Lyon MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-573 1 South Lyon MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-573 2 South Lyon MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-573 3 South Lyon MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
248-573 4 South Lyon MI   829J PAETEC ITEL, LLC 340      
248-573 5 South Lyon MI FETPMIAU2MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 340      
248-573 6 South Lyon MI   3535 ACD TELECOM, INC. - MI 340      
248-573 7 South Lyon MI DTRTMIBASMD  516C AT&T CORP. 340      
248-573 8 South Lyon MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-573 9 South Lyon MI LIVNMIUX0MD  5562 METROPCS, INC. 340      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.