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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-309 A Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-309 0 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 1 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 2 Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-309 3 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 4 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 5 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 6 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 7 Northbrook IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-309 8 Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-309 9 Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.