Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-775 A WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-775 5   145J TERRA NOVA TELECOM INC. 650   2025-06-07   
406-775 6   2246 MID-RIVERS TEL. COOP., INC. 650      
406-775 7   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-775 8   2246 MID-RIVERS TEL. COOP., INC. 650      
406-775 9   2246 MID-RIVERS TEL. COOP., INC. 650      
406-975 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-975 0   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-975 6   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-975 8   145J TERRA NOVA TELECOM INC. 650   2026-01-04   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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