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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-230 A Plainfield IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-230 0 Plainfield IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-230 1 Plainfield IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-08-06   
815-230 2 Plainfield IL PLFDILPLDS0  9329 ILLINOIS BELL TEL CO 358   2004-09-10   
815-230 3 Plainfield IL PLFDILPLDS0  9329 ILLINOIS BELL TEL CO 358   2004-12-27   
815-230 4 Plainfield IL PLFDILPLDS0  9329 ILLINOIS BELL TEL CO 358   2005-06-15   
815-230 5 Plainfield IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-230 6 Plainfield IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2006-01-03   
815-230 7 Plainfield IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-230 8 Plainfield IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2006-01-27   
815-230 9 Plainfield IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.