Mad River Post Office

Offices closed May 27th in observance of Memorial Day

2515b State Highway 36, Mad River, CA 95552

Contact Numbers

Phone: 707-574-6511
Fax: 707-574-6511
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:30am - 2:00pm, 2:30pm - 4:00pm
Tuesday 9:30am - 2:00pm, 2:30pm - 4:00pm
Wednesday 9:30am - 2:00pm, 2:30pm - 4:00pm
Thursday 9:30am - 2:00pm, 2:30pm - 4:00pm
Friday 9:30am - 2:00pm, 2:30pm - 4:00pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Line
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

22617 Hyampom Rd
6.9 miles away

27984 Alderpoint Rd
8.8 miles away

26531 Ruth Zenia Rd
9.9 miles away

24878 State Highway 36
11.7 miles away


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This post office is great. Janet is really helpful and is always friendly. Shes a great employee.

* is not a part of, or affiliated with, the official United States Postal Service (USPS).