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: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-625 A Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 0 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2007-04-27   
224-625 1 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 2 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 3 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 4 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 5 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 6 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 7 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 8 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      
224-625 9 Arlington Heights IL ARLHILAHDS1  9329 ILLINOIS BELL TEL CO 358      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.