ZIP code 94963
Where is ZIP code 94963?
San Geronimo, California
Marin County · PO Box only ZIP code
ZIP code 94963 belongs to San Geronimo, California in Marin County. 94963 is a PO Box only ZIP code: it is used for post office boxes at the San Geronimo post office, not for street addresses. It is in the Pacific Time zone and uses area codes 415 and 628. About 739 people live in the 94963 area, where the median household income is $210,823. The closest ZIP codes are 94933 (Forest Knolls, 1.5 mi west), 94973 (Woodacre, 1.5 mi east) and 94938 (Lagunitas, 2.1 mi west).
| ZIP code | 94963 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | San Geronimo |
| State | California (CA) |
| County | Marin County |
| Time zone | Pacific Time · now |
| Area codes | 415, 628 |
| Coordinates | 38.0133, -122.6639 map |
| 3-digit prefix | 949 |
Population and income in 94963
| Population | 739 · lower than 83% of California ZIP codes |
|---|---|
| People per square mile | 463 · lower than 55% of California ZIP codes |
| Median age | 46.1 years · higher than 75% of California ZIP codes |
| Men / women | 57% / 43% |
| Median household income | $210,823 · higher than 97% of California ZIP codes |
| Income per person | $78,648 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 85% of adults 25+ |
| Median home value | $1,156,300 · higher than 83% of California ZIP codes |
| Housing units | 239 |
| Households | 239 (3.08 people on average) |
| Owners / renters | 92% / 8.4% |
| Land area | 1.6 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94963. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94963
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94933 | Forest Knolls, CA | 1.5 mi W | PO Box only |
| 94973 | Woodacre, CA | 1.5 mi E | PO Box only |
| 94938 | Lagunitas, CA | 2.1 mi W | PO Box only |
| 94946 | Nicasio, CA | 3.4 mi NW | Standard |
| 94930 | Fairfax, CA | 4.2 mi SE | Standard |
| 94978 | Fairfax, CA | 4.5 mi SE | PO Box only |
| 94903 | San Rafael, CA | 4.5 mi E | Standard |
| 94960 | San Anselmo, CA | 5.4 mi E | Standard |
| 94979 | San Anselmo, CA | 6.2 mi SE | PO Box only |
| 94950 | Olema, CA | 6.2 mi W | PO Box only |
| 94957 | Ross, CA | 6.9 mi SE | PO Box only |
| 94915 | San Rafael, CA | 7.1 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94963 or measure the distance to another ZIP code.
How to address mail to 94963
PO BOX 123
SAN GERONIMO CA 94963
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94963-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 94963?
- 94963 is a San Geronimo, California ZIP code.
- What county is 94963 in?
- ZIP code 94963 is in Marin County, California.
- What time zone is ZIP code 94963 in?
- 94963 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94963?
- Phone numbers in ZIP code 94963 use area codes 415 and 628.
- What is the population of ZIP code 94963?
- About 739 people live in ZIP code 94963, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94963?
- The median household income in 94963 is $210,823 a year, higher than 97% of California ZIP codes.
- Can I use 94963 for a street address?
- No. 94963 is only for PO Boxes. Street addresses in San Geronimo use another ZIP code.
- What ZIP codes are near 94963?
- The nearest ZIP codes to 94963 are 94933 (Forest Knolls, 1.5 miles), 94973 (Woodacre, 1.5 miles), 94938 (Lagunitas, 2.1 miles) and 94946 (Nicasio, 3.4 miles).