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: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-385 A Princeville IL PRNVILXDRS0  1015 FRONTIER NORTH, INC. - IL 368      
309-385 0 Princeville IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-15   
309-385 1 Princeville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-385 2 Princeville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-385 3 Princeville IL   495J STRATUS NETWORKS 368   2020-08-03   
309-385 4 Princeville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-385 7 Princeville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-02   
309-385 8 Princeville IL   224C ONVOY, LLC 368   2019-07-15   
309-385 9 Princeville IL   224C ONVOY, LLC 368   2019-07-15   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.