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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-280 A Joliet IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-280 0 Joliet IL CHCGILTCDS4  7056 XO ILLINOIS, INC. 358   2005-08-26   
815-280 1 Joliet IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-280 2 Joliet IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-280 3 Joliet IL ELGNILOT1MD  6529 T-MOBILE USA, INC. 358   2005-07-20   
815-280 4 Joliet IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2005-02-20   
815-280 5 Joliet IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-280 6 Joliet IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-280 7 Joliet IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-280 8 Joliet IL ELGNILOT1MD  6529 T-MOBILE USA, INC. 358   2004-06-15   
815-280 9 Joliet IL ELGNILOT1MD  6529 T-MOBILE USA, INC. 358   2005-07-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.