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: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-604 A Warren MI DTRTMIPMCM0  6664 SPRINT SPECTRUM L.P. 340      
586-604 0 Warren MI   6664 SPRINT SPECTRUM L.P. 340   2003-02-17   
586-604 1 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 2 Warren MI   6664 SPRINT SPECTRUM L.P. 340   2002-12-07   
586-604 3 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 4 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 5 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 6 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 7 Warren MI   6664 SPRINT SPECTRUM L.P. 340   2003-06-04   
586-604 8 Warren MI   6664 SPRINT SPECTRUM L.P. 340      
586-604 9 Warren MI   6664 SPRINT SPECTRUM L.P. 340      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.