Yorkville Post Office

25400 Highway 128, Yorkville, CA 95494

Contact Numbers

Phone: 707-894-4376
Fax: 707-894-4376
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 3:45pm
Tuesday 3:45pm
Wednesday 3:45pm
Thursday 3:45pm
Friday 3:45pm
Saturday 10:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 1:30pm, 2:00pm - 3:30pm
Tuesday 9:00am - 1:30pm, 2:00pm - 3:30pm
Wednesday 9:00am - 1:30pm, 2:00pm - 3:30pm
Thursday 9:00am - 1:30pm, 2:00pm - 3:30pm
Friday 9:00am - 1:30pm, 2:00pm - 3:30pm
Saturday Closed
Sunday Closed

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

  • Bulk Mail Acceptance
  • Burial Flags
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot 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:

Hopland
13400 S Highway 101
5.4 miles away

Boonville
14170 Highway 128
6.6 miles away

Talmage
1986 Talmage Rd
9.4 miles away

Ukiah
671 S Orchard Ave
9.6 miles away

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