USPS in Walnut (CA) | USPS Locations

USPS Location - Walnut

on map

21555 Valley Blvd, Walnut, CA 91789

1-800-275-8777

Stamp Booklets Only

USPS Location - Walnut

on map

20677 Amar Rd, Walnut, CA 91789

1-800-275-8777

Stamp Booklets Only

USPS Location - Walnut

on map

review

bad place

280 S Lemon Ave, Walnut, CA 91788

909-444-7901

Mo. 8:30am-5:00pm

Tu. 8:30am-5:00pm

We. 8:30am-5:00pm

Th. 8:30am-5:00pm

Fr. 8:30am-5:00pm

Sa. 9:00am-2:00pm

Su. CLOSED

Business Line, Business Reply Mail Account Balance, Business Reply Mail New Permit, General Delivery, Global Express Guaranteed, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International

USPS Location - Walnut

on map

21590 Valley Blvd, Walnut, CA 91789

1-800-275-8777

Stamp Booklets Only

USPS Location - Walnut

on map

350 N Lemon Ave, Walnut, CA 91789

1-800-275-8777

Stamp Booklets Only

USPS Location - Walnut

on map

20677 Amar Rd, Walnut, CA 91789

1-800-275-8777

Stamp Booklets Only

USPS Location - Walnut

on map

review

bad place

21080 Golden Springs Dr, Walnut, CA 91789

909-598-4278

Mo. 9:00am-6:00pm

Tu. 9:00am-6:00pm

We. 9:00am-6:00pm

Th. 9:00am-6:00pm

Fr. 9:00am-6:00pm

Sa. 10:00am-4:30pm

Su. CLOSED

PO Box Online