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Postal 18th Street Post Office
4304 18th St, San Francisco, CA 94114
Phone: 415-431-3826
Fax: 415-553-3908
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
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
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Lobby has Copier
- Lobby has Fax
- Lobby has Vending
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:
Noe Valley
4083 24th St
0.4 mile away
Clayton Street
554 Clayton St
0.6 mile away
Diamond Heights
5262 Diamond Heights Blvd
0.7 mile away
Mission San Francisco
1198 S Van Ness Ave
0.8 mile away
San Francisco County
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