Yuma County Post Office

Find Yuma County Arizona post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


San Luis Post Office 874 Main Street San Luis AZ 85349


Somerton Post Office 450 East Main Street Somerton AZ 85350 928-627-8181

Tacna Post Office 40140 Old US Highway 80 Tacna AZ 85352 928-785-4711

US Post Office 11692 South Fortuna Road Yuma AZ 85367 928-305-0187

Wellton Post Office 28610 Oakland Avenue Wellton AZ 85356 928-785-4055

Yuma Foothills Post Office 11692 South Fortuna Road Yuma AZ 85367 928-305-0187

Yuma Marine Corps Air Station Post Office 699 Hart Street Yuma AZ 85365 928-343-9416

Yuma Post Office 2222 South 4th Avenue Yuma AZ 85364 928-343-9416

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.