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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-274 A Potosi MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-10-20   
573-274 0 Potosi MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-06-03   
573-274 1 Potosi MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-02-23   
573-274 3 Potosi MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2026-07-24   
573-274 6 Potosi MO   093F ONVOY, LLC - MO 520   2026-08-01   
573-274 7 Potosi MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-08-07   
573-274 8 Potosi MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-04-04   
573-274 9 Potosi MO WNVLMOXAX9X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-12   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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