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: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-803 A Canton IL PEORILPJXYZ  478J NUSO, LLC 368      
309-803 1 Canton IL PEORILPJXYZ  478J NUSO, LLC 368   2020-10-11   
309-803 2 Canton IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-06-28   
309-803 3 Canton IL PEORILPJXWZ  506J TWILIO INTERNATIONAL, INC. 368   2021-08-16   
309-803 6 Canton IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-12-06   
309-803 7 Canton IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2021-12-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.