Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-542 A Charleston MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
573-542 0 Charleston MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-08-20   
573-542 1 Charleston MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-27   
573-542 2 Charleston MO COVLILCQXOX  495J STRATUS NETWORKS 520   2021-06-19   
573-542 3 Charleston MO STLSMOGZ6MD  073H TELNYX LLC 520   2018-07-20   
573-542 4 Charleston MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2019-03-28   
573-542 5 Charleston MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-07-24   
573-542 6 Charleston MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2020-11-19   
573-542 7 Charleston MO STLSMOWQCMD  515J IP HORIZON LLC 520   2024-01-22   
573-542 8 Charleston MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-05-15   
573-542 9 Charleston MO STLSMOWQCMD  515J IP HORIZON LLC 520   2024-01-21   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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