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: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-535 A Elgin IL OKBRILOADS3  7421 AT&T - LOCAL 358      
224-535 0 Elgin IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2008-07-03   
224-535 1 Elgin IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-05-19   
224-535 2 Elgin IL OKBRILOADS3  7421 AT&T - LOCAL 358   2005-04-21   
224-535 3 Elgin IL OKBRILOADS3  7421 AT&T - LOCAL 358   2005-04-21   
224-535 4 Elgin IL OKBRILOADS3  7421 AT&T - LOCAL 358   2005-04-21   
224-535 5 Elgin IL OKBRILOADS3  7421 AT&T - LOCAL 358   2005-04-21   
224-535 6 Elgin IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2006-08-18   
224-535 7 Elgin IL CHCGIL24DS7  5917 FIRST COMMUNICATIONS, LLC 358   2006-09-14   
224-535 8 Elgin IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-18   
224-535 9 Elgin IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-18   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.