18 Th Street Post Office

4304 18 Th St San Francisco, CA 94114
Phone: 415-431-3826

Post Office Lobby Hours
Monday 7:30am - 5:00pm
Tuesday 7:30am - 5:00pm
Wednesday 7:30am - 5:00pm
Thursday 7:30am - 5:00pm
Friday 7:30am - 5:00pm
Saturday 7:30am - 3:00pm
Sunday Closed


18 Th Street Post Office is a United States Postal Service (USPS) facility in San Francisco, CA. This post office offers a full array of services, including package delivery and first class mail.


Self-Service Kiosk
Business Reply Mail® Account Balance
Business Reply Mail New Permit
Burial Flags
Duck Stamps
Greeting Card Services
Global Express Guranteed®
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®

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