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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-900 A Farmington IL PEORILPJXOZ  965H FRACTEL, LLC 368      
309-900 0 Farmington IL PEORILPJXOZ  965H FRACTEL, LLC 368   2021-12-30   
309-900 1 Farmington IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2024-05-11   
309-900 8 Farmington IL PEORILPJXPZ  145J TERRA NOVA TELECOM INC. 368   2024-02-14   
309-900 9 Farmington IL PEORILPJXOZ  965H FRACTEL, LLC 368   2021-12-30   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.