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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-404 A Qulin MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-404 0 Qulin MO   515J IP HORIZON LLC 520   2013-12-19   
573-404 1 Qulin MO STLSMOGZ6MD  073H TELNYX LLC 520   2019-09-30   
573-404 2 Qulin MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-29   
573-404 3 Qulin MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2019-06-12   
573-404 4 Qulin MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-29   
573-404 5 Qulin MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-07-24   
573-404 8 Qulin MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-11   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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