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Where 94559 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 94559 into a pocket calculator and turn it upside down: GSShG — not quite a word, sorry.
- ➕ 94559 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 32, a total 644 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111000101011111 - 🏠 Its numerical neighbours: 94558 (Napa, CA, 11 mi away) and 94560 (Newark, CA, 54 mi away).
- 🔄 Backwards, 94559 becomes 95549 — and that is a real ZIP code: Kneeland, CA, 188 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (49955, 55949, 94595, 94955, 95459, 95549, …). The farthest-flung twin is 99554 in Alakanuk, AK, 2,438 miles away.
- 🧭 Farther south than 57% of all ZIP codes, and farther west than 96%.
- 🎯1,274 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 94559 and you would come out at 38.25°S, 57.70°E — 986 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
- 📏 At 41.6 square miles of land, 94559 is bigger than 55% of ZIP codes — room for about 32 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 27,714This ZIP27,714 |
|---|---|
| Households | 10,651This ZIP10,651 |
| Housing units | 11,661This ZIP11,661 |
| Median age | 39.6This ZIP39.6California37.9US 38.9 |
| Median household income | $105,188This ZIP$105,188California$99,122US $80,734 |
| Median home value | $898,600This ZIP$898,600California$734,700US $332,700 |
| Median gross rent | $2,079This ZIP$2,079California$2,036US $1,413 |
| Bachelor's degree or higher | 39.0%This ZIP39.0% |
| Mean commute | 24.3 minThis ZIP24.3 min |
| Population density | 666.0 / sq miThis ZIP666.0 / sq mi |
Business and tax activity
| Business establishments | 1,209This ZIP1,209 |
|---|---|
| Employees | 14,030This ZIP14,030 |
| Annual payroll | $850,674,000This ZIP$850,674,000 |
| Tax returns filed | 13,280This ZIP13,280 |
| Total adjusted gross income | $1,429,284,000This ZIP$1,429,284,000 |
Land area
| Land area | 41.61 sq miThis ZIP41.61 sq mi |
|---|---|
| Water area | 0.66 sq miThis ZIP0.66 sq mi |
Other place names in 94559
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 94559
| ZIP | City | Distance |
|---|---|---|
94581 | Napa, CA | 3.2 mi |
94503 | American Canyon, CA | 5.9 mi |
95487 | Vineburg, CA | 7.8 mi |
94589 | Vallejo, CA | 8.0 mi |
95476 | Sonoma, CA | 8.9 mi |
94534 | Fairfield, CA | 9.7 mi |
94591 | Vallejo, CA | 10.1 mi |
95433 | El Verano, CA | 10.9 mi |
94590 | Vallejo, CA | 11.0 mi |
94592 | Vallejo, CA | 11.1 mi |
Find every ZIP code within 10 miles of 94559 →
Questions about this ZIP code
Where is ZIP code 94559?
94559 is in Napa, California, in Napa County, part of the Napa, CA metropolitan area. Its published point location is 38.2511, -122.2961.
What county is 94559 in?
94559 lies in Napa County.
What area code is 94559?
Napa uses area codes 707 and 369, from NANPA's telephone records.
What time zone is 94559 in?
94559 uses America/Los_Angeles.
How many people live in 94559?
About 27,714 people live in ZIP code 94559, in 10,651 households, at 666.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 94559?
$105,188 a year, against $99,122 across California.
What ZIP codes are near 94559?
The closest are 94581 (3.2 mi), 94503 (5.9 mi), 95487 (7.8 mi), 94589 (8 mi) and 95476 (8.9 mi).
Is 94559 a PO Box ZIP code?
94559 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “94559 ZIP Code — Napa, California (Napa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94559
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/94559.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.