Cities › San Francisco, CA › Services & Business

US Post Office

Post Office

Hours (as posted)

• Monday-Friday 9 AM - 4 PM
• Saturday 9 AM - 12 PM
• Sunday Closed
• Monday-Friday 5 PM
• Saturday 12 PM
• Monday-Friday 11 AM
• Saturday 11 PM

Agents: this record as JSON → /api/v1/us/ca/san-francisco/us-post-office.json

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Sources: Foursquare (Apache-2.0); business website read 2026-10-14. About our data.