The Master Database (MDB)

Find every stamp that exists for a park or location, and never miss another stamp again.

Search

See every stamp in the Passport program, every bonus stamp, and every location where each stamp is available, down to who last confirmed it and when.

MDB search results showing a San Antonio Missions stamp with its image, type, status, notes, location and last confirmation.

Track

Checklists help you keep track of your park visits, trading cards and stamps.

An MDB park visit checklist, grouped by region and state, with visited parks ticked: 85 out of 408 parks visited.

Plan Trips

See every stamp within a few miles of your next road trip, so you never drive past a stamp without knowing it.

A map of a route from San Antonio to Austin with stamp locations marked along it, one showing visitor center details.

New accounts get a 2-week trial of the MDB. After that it's for dues-paying NPTC members: $10 for the first year and $5 for each year after.

Create an account Join the NPTC