| City: | Sausalito, California |
| County: | Marin County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 11:06:30 PM |
| Population: | No Population Data |
| Area Codes: | 415 / 628 |
| Classification: | PO Box |
| Coordinates: | 37.8592, -122.4843 |
| Quick Link: |
ZIP 94966 serves a specific waterfront location in Sausalito, California. This PO Box-classified ZIP doesn't have a residential population within its boundaries. Instead, it provides postal services to 525 PO Boxes and 243 business delivery points concentrated along a single street: Harbor Drive.
The Harbor Drive address encompasses 221 delivery records, all designated as units. This pattern typically indicates a marina, houseboat community, or waterfront commercial facility where individual slips, berths, or businesses receive mail through a unified addressing system. The ZIP uses one city carrier route (C) for street delivery, supplementing traditional PO Box service.
Sausalito's main residential and commercial areas use ZIP 94965, which geographically contains this point location. The separate 94966 designation exists because this waterfront facility has distinct postal needs. With 525 PO Boxes serving the facility, many slip owners, boat residents, or business tenants maintain boxes for consistent mail delivery regardless of vessel movement or seasonal occupancy.
Mail can be addressed to either:
Both formats serve the same facility. The street-style addressing uses the USPS PO Box Street Addressing (PBSA) system, where the physical post office location becomes the street address for PO Boxes.
Single-street ZIP focused entirely on Harbor Drive with unified addressing for waterfront facilities.
ZIP Code 94966 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 36 people with an annual payroll of $1,332,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,106Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 7Source: CBP |
| 1st Quarter Payroll: | $272,000Source: CBP |
| Annual Payroll: | $1,332,000Source: CBP |
| # of Employees: | 36Source: CBP |
ZIP Code 94966 is located in Marin County, California, within the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area (CBSA 41860) and California's 2nd Congressional District. This Metro area has a population of 4,653,593 people, about 0.00% of whom live in ZIP Code 94966, and is subdivided into the San Rafael, CA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Francisco-Oakland-Fremont, CASource: Census |
| CBSA Number: | 41860Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | San Rafael, CA (CBSA Div 42034)Source: Census |
| CBSA Population: | 4,653,593Source: Census |
| MSA: | San Francisco-Oakland-San Jose, CA CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 12952.23 sq miSource: Census |
| PMSA: | San Francisco, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0670364Source: Census |
| Place Name: | Sausalito city; CaliforniaSource: Census |
We could not locate which school district 94966 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.