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: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-243 A Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 0 Dunlap IL PEORILPJXYX  224C ONVOY, LLC 368   2020-05-22   
309-243 1 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 2 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 3 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368   2004-05-30   
309-243 4 Dunlap IL PEORILPJXYX  224C ONVOY, LLC 368   2018-08-02   
309-243 5 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 6 Dunlap IL PEORILPJXLY  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 368   2017-05-05   
309-243 7 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 8 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-243 9 Dunlap IL DNLPILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.