Buy Postage Stamps in Altadena, CA

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

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

Altadena Post Office

2271 Lake Ave
Altadena, CA 91001
Altadena Post Office is a full post office where stamps can be purchased.