United States Postal Service

Post Office

(800) 275-8777

751 E Blithedale Ave Mill Valley, CA 94941

tools.usps.com

Today: 9:00 AM to 2:00 PM

Visit your local Post Office at 751 E Blithedale Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office boxes, passports, gift cards, and more

USPS is hiring! See openings for top jobs.

Hours of Operation

Mon 9:00 AM to 5:00 PM
Tue 9:00 AM to 5:00 PM
Wed 9:00 AM to 5:00 PM
Thu 9:00 AM to 5:00 PM
Fri 9:00 AM to 5:00 PM
Sat 9:00 AM to 2:00 PM
Sun Closed

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