Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-240 A O'Fallon IL STLSMOWQDS2  224C ONVOY, LLC 520   2024-05-02   
730-240 0 O'Fallon IL   224C ONVOY, LLC 520   2024-05-02   
730-240 1 O'Fallon IL   224C ONVOY, LLC 520   2024-05-02   
730-240 8 O'Fallon IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2024-11-11   
730-240 9 O'Fallon IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2024-10-31   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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