Local Calling Guide

Area code/prefix search

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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-500 A Campbell MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-500 0 Campbell MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-04-03   
573-500 1 Campbell MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-08-04   
573-500 2 Campbell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-26   
573-500 3 Campbell MO STLSMOWQ8MD  073H TELNYX LLC 520   2023-03-31   
573-500 4 Campbell MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2020-10-29   
573-500 5 Campbell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2017-11-10   
573-500 6 Campbell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-07-24   
573-500 7 Campbell MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-09   
573-500 8 Campbell MO STLSMOGZ8MD  939H COMMIO, LLC 520   2022-07-01   
573-500 9 Campbell MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-09   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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