Local Calling Guide

Area code/prefix search

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Holden MCA5, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
816-850 A HLDNMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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