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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-557 A Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 0 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 1 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 2 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358   2004-09-18   
815-557 3 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 4 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 5 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 6 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 7 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 8 Joliet IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-557 9 Joliet IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.