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: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-789 A Fiatt IL FIATILFIRS0  9329 ILLINOIS BELL TEL CO 368      
309-789 0 Fiatt IL PEORILPJXYX  224C ONVOY, LLC 368   2019-07-15   
309-789 1 Fiatt IL PEORILPJXYX  224C ONVOY, LLC 368   2019-07-15   
309-789 2 Fiatt IL FIATILFIRS0  9329 ILLINOIS BELL TEL CO 368      
309-789 3 Fiatt IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368   2003-08-24   
309-789 4 Fiatt IL PEORILPJX5Z  939H COMMIO, LLC 368   2021-07-24   
309-789 5 Fiatt IL PEORILPJX5Z  939H COMMIO, LLC 368   2021-07-24   
309-789 6 Fiatt IL PEORILPJXWZ  506J TWILIO INTERNATIONAL, INC. 368   2021-10-24   
309-789 8 Fiatt IL PEORILSCX0X  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2004-07-16   
309-789 9 Fiatt IL PEORILPJXDY  984E BANDWIDTH.COM CLEC, LLC - IL 368   2021-06-13   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.