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: 886

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-886 A Washington IL WASHILXDRS3  1015 FRONTIER NORTH, INC. - IL 368      
309-886 0 Washington IL PEORILPJXYX  224C ONVOY, LLC 368   2019-07-15   
309-886 1 Washington IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-03   
309-886 2 Washington IL WASHILXDRS3  1015 FRONTIER NORTH, INC. - IL 368      
309-886 3 Washington IL PEORILPJXTZ  318J COMCAST IP PHONE, LLC 368   2012-03-09   
309-886 4 Washington IL WASHILXDRS3  1015 FRONTIER NORTH, INC. - IL 368      
309-886 5 Washington IL PEORILPJXDY  984E BANDWIDTH.COM CLEC, LLC - IL 368   2021-06-25   
309-886 6 Washington IL PEORILPJXYX  224C ONVOY, LLC 368   2018-08-02   
309-886 7 Washington IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2024-05-13   
309-886 8 Washington IL PEORILPJX5Z  939H COMMIO, LLC 368   2022-10-23   
309-886 9 Washington IL PEORILPJXYX  224C ONVOY, LLC 368   2019-07-15   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.