Buy Postage Stamps in Castroville, CA

Post Offices and USPS-authorized retailers where postage stamps are sold in Castroville, CA.

All the locations below sell USPS postage stamps which can be used to mail First Class letters in the United States. We list both official post offices run by the United States Postal Service and retailers which have been authorized by USPS to sell postal products in Castroville.

Need to mail a letter? See Mailboxes and Post Offices in Castroville

Castroville Post Office

10799 Merritt St
Castroville, CA 95012
Castroville Post Office is a full post office where stamps can be purchased.