Local Calling Guide

Area code/prefix search

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Alma, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
660-203 A NRBRMO010MD  6155 GREEN HILLS TELECOMMUNICATIONS SERVICES 524   2025-01-24   
660-203 1 NRBRMO010MD  6155 GREEN HILLS TELECOMMUNICATIONS SERVICES 524   2025-01-24   
660-674 A HNVIMOXADS0  1860 ALMA COMMUNICATIONS COMPANY DBA ALMA TELEPHONE CO 524      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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