By Phone: (619) 595-5636
MTS Transit Store
Riders should tap their PRONTO card or scan their PRONTO mobile app every time they board a bus or Trolley.
Getting Started with PRONTO
How Does Best Fare Work?
For more information about PRONTO, visit the PRONTO Fare System page on MTS’s website or visit ridePRONTO.com to set up a new account.