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: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-870 A Bethalto IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520      
618-870 0 Bethalto IL   224C ONVOY, LLC 520   2024-03-03   
618-870 1 Bethalto IL   939H COMMIO, LLC 520   2022-12-15   
618-870 8 Bethalto IL   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-870 9 Bethalto IL   490J DISH WIRELESS, LLC 520   2022-11-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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