Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 680

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-680 A O'Fallon IL COVLILCLPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520      
618-680 0 O'Fallon IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2021-06-13   
618-680 1 O'Fallon IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2021-06-13   
618-680 2 O'Fallon IL   224C ONVOY, LLC 520   2021-05-18   
618-680 3 O'Fallon IL   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-680 4 O'Fallon IL   224C ONVOY, LLC 520   2023-05-14   
618-680 5 O'Fallon IL   224C ONVOY, LLC 520   2024-03-01   
618-680 6 O'Fallon IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2021-05-17   
618-680 7 O'Fallon IL   490J DISH WIRELESS, LLC 520   2022-04-01   
618-680 8 O'Fallon IL   224C ONVOY, LLC 520   2024-03-01   
618-680 9 O'Fallon IL   224C ONVOY, LLC 520   2023-09-11   

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

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