Can I change my address that is registered to my SmarTrip card on line?
The option to change the address registered to your SmarTrip card on the Internet is not available at this time; however, this functionality is currently under development. Please check the website SmarTrip.com frequently for news and new services regarding your SmarTrip card. At this time, you will need to email us at SmarTrip@wmata.com or you can also call us at 888-SMARTRIP (888-762-7874) to change your address or other contact information.