Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-666 8 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-03   
636-666 9 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-07-05   

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

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