Reliant Сustomer Service

Phone:

713-207-7777 or 1-866-222-7100

Hours of operation:

Available 24 hours a day,
7 days a week

Mail:

Correspondence
Reliant
P.O. Box 3765
Houston, TX 77253-3765

Send a check
U.S. Mail: Reliant, P.O. Box 650475, Dallas, TX 75265-0475
Overnight delivery: Reliant, Dept. 650475, 1501 N Plano Rd., Richardson, TX 75081

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