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: 619

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-619 A Chillicothe IL PEORILPJXRZ  495J STRATUS NETWORKS 368      
309-619 0 Chillicothe IL PEORILPJXYX  224C ONVOY, LLC 368   2023-10-16   
309-619 1 Chillicothe IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-09-06   
309-619 3 Chillicothe IL PEORILPJXYX  224C ONVOY, LLC 368   2023-07-22   
309-619 4 Chillicothe IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-06-28   
309-619 5 Chillicothe IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-11-13   
309-619 6 Chillicothe IL PEORILPJXYX  224C ONVOY, LLC 368   2021-02-12   
309-619 7 Chillicothe IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-11-13   
309-619 8 Chillicothe IL PEORILPJXYX  224C ONVOY, LLC 368   2021-04-03   
309-619 9 Chillicothe IL PEORILPJXYX  224C ONVOY, LLC 368   2021-04-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.