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: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-727 A Deerfield IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-727 0 Deerfield IL CHCGIL24DS6  224C ONVOY, LLC 358   2015-01-09   
224-727 1 Deerfield IL CHCGIL24DS6  224C ONVOY, LLC 358   2015-01-09   
224-727 2 Deerfield IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-12   
224-727 3 Deerfield IL RLMDILAGDS4  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-01-06   
224-727 4 Deerfield IL RLMDILAGDS4  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-01-06   
224-727 5 Deerfield IL RLMDILAGDS4  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-01-06   
224-727 6 Deerfield IL RLMDILAGDS4  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-01-06   
224-727 7 Deerfield IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-01-12   
224-727 8 Deerfield IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-03   
224-727 9 Deerfield IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-03   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.