Provider certification record

Tatum Telephone Company

Listed

Identity

Legal business name: Tatum Telephone Company
Doing-business-as: Hilliary Communications, LLC
Foreign Voice Service Provider: No
Business address: PO Box 105, Lawton OK 73502
Filing contact: David Hamlyn
Network Engineer · Network Operations
David.Hamlyn@hillcom.net
(580) 529-5000
PO Box 105 Lawton OK 73502
United States of America
Principals, Affiliates, Subsidiaries, and Parent Companies: Border to Border Communications, Inc.; Electra Telephone Company; Medicine Park Telephone Company; Oklahoma Western Telephone Company; Oklahoma Western Telephone Company d/b/a Oklahoma Western Cellular; Southern Plains Cable, LLC; Tatum Telephone Company; Southwest Oklahoma Telephone Company, Texhoma Fiber, LLC; and Wichita Online (collectively, “Hilliary Communications” or “Hilliary”) are small telecommunications service providers serving rural areas of Oklahoma and Texas. Collectively, these service providers are affiliated with the parent company Hilliary Communications, LLC for common ownership and management/control for all affiliated service provider companies. The principals of Hilliary Communications or Hilliary are Douglas J. Hilliary, Dustin J. Hilliary, Edward E. Hilliary, Jr. and Michael J. Hilliary.

Provider role(s): Voice service provider
STIR/SHAKEN implementation: Role Implementation
Voice service provider Partial
Overall Partial
Exemption rules: Tatum Telephone Company OCN 2150, Prairieburg Telephone Company, Inc OCN 1275 and Southwest Oklahoma Tel Co OCN 2025 (collectively the Hilliary Non-IP Companies) are eligible for the continuing extension of the STIR SHAKEN implementation deadline on Non-IP networks as small voice service providers (§64.6304 (a)(2) with non-IP portion within its network §64.6304(d).

Role	Implementation
Voice service provider	Partial
Overall	Partial

Date	Event	Detail / diff
2026-03-13	New	Initial certification filed and added to database.