Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Ryegate, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-568 A WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 0   2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 1   2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 2   2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 4   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2026-06-16   
406-568 5   2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 9   2246 MID-RIVERS TEL. COOP., INC. 650      

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

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