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: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-512 A Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 0 Barrington South IL   145J TERRA NOVA TELECOM INC. 358      
224-512 1 Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 2 Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 3 Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 4 Barrington South IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-512 5 Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 6 Barrington South IL BNTOILAGDS0  9329 ILLINOIS BELL TEL CO 358      
224-512 7 Barrington South IL   829J PAETEC ITEL, LLC 358      
224-512 8 Barrington South IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
224-512 9 Barrington South IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.