Navigating San Francisco requires understanding its distinct postal layout, where every neighborhood hides inside specific numerical boundaries. San Francisco CA zip codes span primarily from 94102 to 94158, organizing a dense grid of roughly 49 square miles into distinct postal zones. Whether you're moving across town, shipping commercial freight, or mapping out real estate options, knowing how these numbers correspond to local terrain saves you time and headaches.
The city's postal layout maps directly onto its famous topography and historical growth patterns. Zip codes start near the Civic Center and Downtown core with 94102, expanding outward toward the Pacific Ocean, the Golden Gate, and the southern county borders. Because San Francisco packs over 800,000 residents into a tightly compacted peninsula, multiple neighborhoods often share a single zip code, while major commercial skyscrapers or federal facilities hold unique postal designations.
Downtown and Commercial Core Zip Codes
The financial and civic heart of the city operates on a tight cluster of zip codes that see massive daytime population shifts.
- 94102: Covers the Civic Center, Hayes Valley, Tenderloin, and parts of Market Street. It's a bustling zone packed with municipal buildings, arts centers, and dense residential apartments.
- 94103: Encompasses South of Market (SoMa) and Yerba Buena. This area mixes tech headquarters, modern high-rises, museums, and nightlife venues.
- 94104: Strictly serves the historic Financial District. This dense commercial cluster features towering corporate offices and financial institutions.
- 94105: Covers South Beach and parts of the Embarcadero waterfront. High-end waterfront housing and major tech campuses dominate this sector.
- 94107: Spans Dogpatch, Mission Bay, and portions of Potrero Hill. Rapid residential and biotech development transformed this former industrial strip into a prime urban hub.
- 94108: Captures Chinatown, Nob Hill, and Union Square. It's a high-traffic district famous for retail shopping, luxury hotels, and dense historic housing.
Northern and Waterfront Neighborhood Zip Codes
Moving north toward the bay brings sweeping views, historic cable car lines, and some of the city's most iconic residential architecture.
- 94109: Serves Nob Hill, Russian Hill, and the Polk Gulch corridor. Steep hills and classic Edwardian apartment buildings define this zone.
- 94111: Covers the Financial District's northern edge alongside North Beach and the waterfront. It blends Italian bakeries with maritime history.
- 94123: Encompasses the Marina District and Cow Hollow. Flat terrain, boutique shopping along Chestnut Street, and proximity to the Marina Green draw steady crowds here.
- 94133: Spans North Beach, Fisherman's Wharf, and parts of Telegraph Hill. This tourist-heavy zone mixes bustling seafood restaurants with tight residential streets.
Central and Western Residential Zones
Heading west and southwest toward the ocean reveals sprawling residential grids, parks, and distinct cultural enclaves.
- 94110: Covers the Inner Mission and Bernal Heights. Known for murals, culinary destinations, and a warm microclimate, it's one of the city's most active cultural corridors.
- 94114: Spans the Castro, Noe Valley, and Upper Market. Tree-lined streets, local retail strips, and Victorian homes characterize these neighborhoods.
- 94115: Captures Pacific Heights, Lower Pacific Heights, Japantown, and Western Addition. Grand mansions sit alongside bustling cultural squares.
- 94117: Encompasses Haight-Ashbury, Cole Valley, and Duboce Triangle. Historic counterculture roots blend with leafy residential blocks near Golden Gate Park.
- 94118: Covers Inner Richmond, Jordan Park, Laurel Heights, and Presidio Heights. This neighborhood offers exceptional dining and quiet residential streets close to the Presidio.
- 94121: Serves the Outer Richmond and Sea Cliff. Foggy coastal air meets dramatic ocean bluffs and sprawling culinary options along Clement Street.
- 94122: Spans the Inner, Central, and Outer Sunset districts. A grid system of family homes extends straight toward Ocean Beach.
- 94116: Captures Parkside and parts of the southwestern residential grid. It's a quiet, residential neighborhood dominated by mid-century row houses.
Southern and Peripheral Zip Codes
The southern edges of the city feature diverse residential communities, university campuses, and open green spaces.
- 94112: Serves a massive swath including Excelsior, Ingleside, Crocker Amazon, and parts of City College. It's one of San Francisco's most populous and geographically expansive postal zones.
- 94124: Covers Bayview and Hunters Point. Industrial heritage meets active community revitalization along the southeastern waterfront.
- 94127: Spans West Portal, Miraloma Park, and St. Francis Wood. Hilly, suburban-feeling enclaves sit nestled right against Twin Peaks.
- 94131: Encompasses Diamond Heights, Glen Park, and Twin Peaks. Winding hillside roads offer panoramic views of the entire bay area.
- 94132: Covers Lakeside, Stonestown, and Lake Merced. Home to San Francisco State University and major shopping centers near the county line.
- 94134: Spans Visitacion Valley, Portola, and Sunnydale. This southeastern zone features diverse neighborhoods close to McLaren Park.
Understanding Postal Boundaries and Delivery Nuances
Getting mail or packages delivered accurately across San Francisco requires keeping a few local logistical realities in mind. The United States Postal Service manages standard residential and business delivery across these zones, but the city's steep hills and dense urban construction create unique routing challenges.
Check official regional lookups through the USPS Location Finder when verifying commercial mailing addresses. For broader municipal data, you can cross-reference geographic boundaries using the San Francisco Data Portal.
Common mistakes happen when people confuse neighboring zip codes across steep elevation changes. For instance, an address sitting right on the border of Nob Hill (94109) and Chinatown (94108) can experience delivery delays if the carrier route assignment gets miskeyed by a single digit. Always verify the exact four-digit extension (ZIP+4) for business mail to ensure automated sorting machines route items directly to the correct building floor or carrier pouch.
Frequently Asked Questions
How many zip codes are in San Francisco?
San Francisco contains over 50 total zip codes, which include standard residential zones, unique high-volume commercial building codes, and dedicated PO Box ranges.
Do San Francisco zip codes cross neighborhood lines?
Most zip codes cover distinct neighborhoods or logical groupings, but some high-density areas split across multiple zones, while others combine smaller adjacent districts.
What is the wealthiest zip code in San Francisco?
Zip code 94115 (covering Pacific Heights) and zip code 94123 (covering the Marina) consistently rank among the highest average household incomes and real estate values in the city.
Why do some buildings have their own unique zip codes?
Large corporate skyscrapers, university campuses, and major government facilities receive unique zip codes because they generate enough daily mail volume to warrant dedicated sorting streams.
