Local Calling Guide

Area code/prefix search

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Altamont, UT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-454 A VRNLUTMADS0  2287 UBTA-UBET COMMUNICATIONS, INC. DBA STRATA NETWORKS 660      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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