Local Calling Guide

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Martinsdale, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-572 A WSSPMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 650      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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