Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Grandin, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-593 A GDINMOXARS0  1885 WINDSTREAM MISSOURI, INC. 520      
573-593 0   1885 WINDSTREAM MISSOURI, INC. 520      
573-593 1   1885 WINDSTREAM MISSOURI, INC. 520   2020-02-12   
573-593 4   1885 WINDSTREAM MISSOURI, INC. 520      
573-593 5   093F ONVOY, LLC - MO 520   2021-07-24   
573-593 8   624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-758 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-758 0   145J TERRA NOVA TELECOM INC. 520   2025-06-06   
573-758 6   965H FRACTEL, LLC 520   2020-01-11   
573-758 8   993E BANDWIDTH.COM CLEC, LLC - MO 520   2020-04-09   
573-758 9   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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