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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-237 A Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-237 0 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 1 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 2 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 3 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 4 Waukegan IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-31   
224-237 5 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 6 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 7 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 8 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 9 Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-09-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.