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: 714

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-714 A Mascoutah IL MSCTILXEPS0  1036 FRONTIER NORTH, INC. - IL 520      
618-714 0 Mascoutah IL   495J STRATUS NETWORKS 520   2020-11-22   
618-714 1 Mascoutah IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-10-27   
618-714 2 Mascoutah IL   5562 METROPCS, INC. 520   2021-12-23   
618-714 3 Mascoutah IL   224C ONVOY, LLC 520   2024-03-07   
618-714 4 Mascoutah IL   224C ONVOY, LLC 520   2021-11-20   
618-714 6 Mascoutah IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2022-11-10   
618-714 7 Mascoutah IL   6529 T-MOBILE USA, INC. 520   2024-02-09   
618-714 8 Mascoutah IL   6529 T-MOBILE USA, INC. 520   2024-02-09   
618-714 9 Mascoutah IL   1036 FRONTIER NORTH, INC. - IL 520   2016-12-17   

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

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