Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-855 A Fairview (Fulton) IL PEORILPJXMY  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368      
309-855 1 Fairview (Fulton) IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2024-05-11   
309-855 5 Fairview (Fulton) IL PEORILPJX0Z  965H FRACTEL, LLC 368   2019-11-13   
309-855 8 Fairview (Fulton) IL PEORILPJXMY  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-06   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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