Glenhaven Post Office

9530 Highway 20, Glenhaven, CA 95443

Contact Numbers

Phone: 707-998-3878
Fax: 707-998-3878
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 8:00pm
Tuesday 8:00am - 8:00pm
Wednesday 8:00am - 8:00pm
Thursday 8:00am - 8:00pm
Friday 8:00am - 8:00pm
Saturday 8:00am - 8:00pm
Sunday 8:00am - 8:00pm

Last Collection Times

Monday 3:00pm
Tuesday 3:00pm
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 9:00am
Sunday Closed

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

  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • 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 links to 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:

Clearlake Oaks
13280 E Highway 20
2.8 miles away

Lucerne
6054 E Highway 20
3.8 miles away

Clearlake Park
13417 Lakeshore Dr
4.1 miles away

Kelseyville
5500 Gaddy Ln
4.5 miles away

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