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: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-242 A Commerce MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-242 0 Commerce MI   5562 METROPCS, INC. 340   2006-02-03   
248-242 1 Commerce MI   5562 METROPCS, INC. 340   2006-02-03   
248-242 2 Commerce MI   5562 METROPCS, INC. 340   2006-02-03   
248-242 3 Commerce MI   5562 METROPCS, INC. 340   2006-02-03   
248-242 4 Commerce MI   516C AT&T CORP. 340   2006-06-30   
248-242 5 Commerce MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-08-20   
248-242 6 Commerce MI   318J COMCAST IP PHONE, LLC 340   2002-12-22   
248-242 7 Commerce MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-12   
248-242 8 Commerce MI   829J PAETEC ITEL, LLC 340   2004-02-13   
248-242 9 Commerce MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.