Buy Postage Stamps in San Ysidro, CA

Post Offices and USPS-authorized retailers where postage stamps are sold in San Ysidro, 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 San Ysidro.

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

San Ysidro Post Office

440 W San Ysidro Blvd
San Ysidro, CA 92173
San Ysidro Post Office is a full post office where stamps can be purchased.


444 E San Ysidro Blvd
San Ysidro, CA 92173
CVS is a USPS-authorized retailer where postage stamps are sold.