Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
660-636 A TINAMOXADS0  1890 GREEN HILLS TEL. CORP. 524      

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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