Tri Delta Transit teceives Transportaion Company of the Year award Try a More Relaxing Commute for FREE? Plan for the future

Contact Us

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Please give us a call or email us and let us know how we are doing.

Address

Tri Delta Transit
801 Wilbur Avenue
Antioch, CA 94509

Administrative Office Hours

Mon-Thurs: 7:00am - 6:00pm
Fri: 8:00 am - 5:00pm
Sat/Sun: Closed

Route Information:(925) 754-4040
Lost and Found:(925) 754-6622
Customer Service: (925) 754-6622
Administrative Office: (925) 754-6622
Fax: (925) 757-2530
Dial-a-Ride: (925) 754-3060
Regional Route Information: 511
Teletype:TTY 925-754-3695
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