Provider certification record

Triangle Communication System Inc

Listed

Identity

Legal business name: Triangle Communication System Inc
Doing-business-as: Triangle Communications
Foreign Voice Service Provider: No
Business address: 2121 Highway 2 NW, PO Box 1140, Havre MT 59501
Filing contact: Reuben Wassmann
Network Operations Manager · Network Operations
rwassmann@itstriangle.net
(406) 394-7807
2121 Highway 2 NW Havre MT 59501
United States of America
Principals, Affiliates, Subsidiaries, and Parent Companies: Craig Gates serves as CEO of Triangle Communication System Inc. Craig Gates has Managing Control of Triangle Communication System Inc. and all its affiliates, subsidiaries and parent company. Triangle Telephone Cooperative Association Inc. is the parent company of Triangle Communication System Inc., the filing entity. Central Montana Communications Inc. is a subsidiary of Triangle Telephone Cooperative Association Inc., the parent company.

Provider role(s): Voice service provider
STIR/SHAKEN implementation: Role Implementation
Voice service provider Partial
Overall Partial
Exemption rules: Triangle Communication System Inc. (TCS) Operating Company Number (893H & 958H) is eligible for the continuing extension of the STIR SHAKEN implementation deadline as a small voice service provider (§64.6304 (a)(2) that has non-IP portions within its network §64.6304(d). TCS provides local service to (153) customers, fewer than 100,000 voice subscriber lines. All 153 customers are able to be served on IP Portions of TCS’s network. However, TCS has connections with other carriers that rely on technology that cannot initiate, maintain, carry, process, and terminate SIP calls.

Role	Implementation
Voice service provider	Partial
Overall	Partial

Date	Event	Detail / diff
2026-02-02	New	Initial certification filed and added to database.