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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-973 A Eolia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-973 1 Eolia MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2021-10-31   
573-973 2 Eolia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-05-13   
573-973 3 Eolia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-03-07   
573-973 6 Eolia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-09-26   
573-973 7 Eolia MO   145J TERRA NOVA TELECOM INC. 520   2025-06-06   
573-973 8 Eolia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-10-28   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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