Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
417-927 A RCHRMOXARS1  1900 K L M TEL. CO. 522      

Last updated: Sat, 03 Sep 2022 02:15:35 UTC

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