Contact and customer service

Contact us

If you have questions about riding Sound Transit service or how we do business, we're here to help.
Customer service staff at Sounder train platform

Important numbers

Accessibility: 800-201-4900 / TTY Relay 711.

Regional Transit Authority tax questions: 877-755-4550

Non-English translation services: 800-823-9230

24-hour construction hotline: 888-298-2395

Union Station, Sound Transit headquarters