ZIP code 94503
Where is ZIP code 94503?
American Canyon, California
Napa County · Standard ZIP code
ZIP code 94503 belongs to American Canyon, California in Napa County. 94503 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 707. About 21,841 people live in the 94503 area, where the median household income is $121,088. The closest ZIP codes are 94589 (Vallejo, 1.5 mi southwest), 94590 (Vallejo, 4.3 mi south) and 94592 (Vallejo, 4.9 mi south).
| ZIP code | 94503 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | American Canyon |
| Also accepted | American Cyn, Vallejo |
| State | California (CA) |
| County | Napa County |
| Time zone | Pacific Time · now |
| Area code | 707 |
| Coordinates | 38.1668, -122.2553 map |
| 3-digit prefix | 945 |
Population and income in 94503
| Population | 21,841 · higher than 56% of California ZIP codes |
|---|---|
| People per square mile | 808 · higher than 50% of California ZIP codes |
| Median age | 37 years · lower than 67% of California ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $121,088 · higher than 73% of California ZIP codes |
| Income per person | $43,261 |
| Below the poverty line | 9.4% |
| Bachelor’s degree or higher | 32% of adults 25+ |
| Median home value | $697,400 · higher than 53% of California ZIP codes |
| Median rent | $2,524 a month |
| Housing units | 6,206 |
| Households | 6,063 (3.58 people on average) |
| Owners / renters | 74% / 26% |
| Land area | 27.02 sq mi (plus 1.61 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94503. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94503
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94589 | Vallejo, CA | 1.5 mi SW | Standard |
| 94590 | Vallejo, CA | 4.3 mi S | Standard |
| 94592 | Vallejo, CA | 4.9 mi S | Standard |
| 94591 | Vallejo, CA | 5.3 mi SE | Standard |
| 94525 | Crockett, CA | 8.2 mi S | Standard |
| 94510 | Benicia, CA | 8.5 mi SE | Standard |
| 94534 | Fairfield, CA | 8.5 mi NE | Standard |
| 94559 | Napa, CA | 8.7 mi N | Standard |
| 94569 | Port Costa, CA | 9.1 mi SE | PO Box only |
| 94581 | Napa, CA | 9.2 mi N | PO Box only |
| 94572 | Rodeo, CA | 9.4 mi S | Standard |
| 94547 | Hercules, CA | 11.1 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94503 or measure the distance to another ZIP code.
How to address mail to 94503
123 MAIN ST
AMERICAN CANYON CA 94503
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts AMERICAN CYN and VALLEJO as the city name for 94503. Adding the 4-digit ZIP+4 code (94503-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 94503?
- 94503 is a American Canyon, California ZIP code. American Cyn and Vallejo are also accepted as the city name.
- What county is 94503 in?
- ZIP code 94503 is in Napa County, California.
- What time zone is ZIP code 94503 in?
- 94503 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94503?
- Phone numbers in ZIP code 94503 use area code 707.
- What is the population of ZIP code 94503?
- About 21,841 people live in ZIP code 94503, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94503?
- The median household income in 94503 is $121,088 a year, higher than 73% of California ZIP codes.
- What ZIP codes are near 94503?
- The nearest ZIP codes to 94503 are 94589 (Vallejo, 1.5 miles), 94590 (Vallejo, 4.3 miles), 94592 (Vallejo, 4.9 miles) and 94591 (Vallejo, 5.3 miles).