PassportMap

Castroville Post Office

Post office

10799 Merritt St., Castroville, CA 95012

(831) 633-2637

Effective Nov. 1, 2016 passport photos of passport applicants wearing eye glasses will not be accepted.

Hours and addresses come from the State Department listing, updated November 2, 2026.

Castroville Post Office accepts new U.S. passport applications in person in Castroville, CA. First-time and child visits are booked on the USPS scheduler. Search ZIP 95012. How to apply · How to renew