Post offices offer a full range of mail and shipping services, including passport acceptance at authorized locations. Castroville Post Office is located at 10799 Merritt Street, Castroville, CA. Check the location's current hours before visiting, and bring a photo ID if you are picking up held mail, purchasing a money order, or submitting a passport application.
Castroville Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Castroville, California.
| Name | Castroville Post Office |
| Address | 10799 Merritt Street, Castroville CA 95012 Map |
| Phone | (831) 633-2636 |
| Website | |
| Hours |
Map of Castroville Post Office
Post Office near Bluffton
About Castroville Post Office
The Castroville Post Office, located in Castroville, CA, is a branch location of the United States Postal Service (USPS) that serves the Castroville community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
- Current hours, services, and self-service kiosk availability at Castroville Post Office
- PO box rental rates, sizes, and availability
- Passport application acceptance and appointment scheduling
- Mail forwarding, hold mail requests, and package pickup scheduling