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Where 94558 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 94558 into a pocket calculator and turn it upside down: BSShG — not quite a word, sorry.
- ➕ As a number, 94,558 = 2 × 47279. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111000101011110 - 🏠 Its numerical neighbours: 94557 (Hayward, CA, 51 mi away) and 94559 (Napa, CA, 11 mi away).
- 🔄 Backwards, 94558 becomes 85549, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (45859, 45895, 49855, 54859, 54895, 54985, …). The farthest-flung twin is 45859 in Mc Guffey, OH, 2,036 miles away.
- 🧭 Farther south than 56% of all ZIP codes, and farther west than 96%.
- 🎯1,266 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 94558 and you would come out at 38.39°S, 57.81°E — 975 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 29m.
- 📏 At 401.7 square miles of land, 94558 is bigger than 97% of ZIP codes — room for about 305 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 63,657This ZIP63,657 |
|---|---|
| Households | 24,521This ZIP24,521 |
| Housing units | 27,493This ZIP27,493 |
| Median age | 44.5This ZIP44.5California37.9US 38.9 |
| Median household income | $113,269This ZIP$113,269California$99,122US $80,734 |
| Median home value | $890,500This ZIP$890,500California$734,700US $332,700 |
| Median gross rent | $2,385This ZIP$2,385California$2,036US $1,413 |
| Bachelor's degree or higher | 40.1%This ZIP40.1% |
| Mean commute | 24.4 minThis ZIP24.4 min |
| Population density | 158.5 / sq miThis ZIP158.5 / sq mi |
Business and tax activity
| Business establishments | 1,870This ZIP1,870 |
|---|---|
| Employees | 28,036This ZIP28,036 |
| Annual payroll | $1,902,463,000This ZIP$1,902,463,000 |
| Tax returns filed | 31,840This ZIP31,840 |
| Total adjusted gross income | $4,023,317,000This ZIP$4,023,317,000 |
Land area
| Land area | 401.73 sq miThis ZIP401.73 sq mi |
|---|---|
| Water area | 30.74 sq miThis ZIP30.74 sq mi |
Other place names in 94558
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 94558
| ZIP | City | Distance |
|---|---|---|
94581 | Napa, CA | 8.3 mi |
95688 | Vacaville, CA | 8.9 mi |
95696 | Vacaville, CA | 9.7 mi |
94599 | Yountville, CA | 10.4 mi |
94534 | Fairfield, CA | 10.9 mi |
94559 | Napa, CA | 11.2 mi |
94562 | Oakville, CA | 12.3 mi |
94533 | Fairfield, CA | 12.4 mi |
94573 | Rutherford, CA | 13.9 mi |
94503 | American Canyon, CA | 14.0 mi |
Find every ZIP code within 10 miles of 94558 →
Questions about this ZIP code
Where is ZIP code 94558?
94558 is in Napa, California, in Napa County, part of the Napa, CA metropolitan area. Its published point location is 38.3891, -122.1884.
What county is 94558 in?
94558 lies in Napa County.
What area code is 94558?
Napa uses area codes 707 and 369, from NANPA's telephone records.
What time zone is 94558 in?
94558 uses America/Los_Angeles.
How many people live in 94558?
About 63,657 people live in ZIP code 94558, in 24,521 households, at 158.5 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 94558?
$113,269 a year, against $99,122 across California.
What ZIP codes are near 94558?
The closest are 94581 (8.3 mi), 95688 (8.9 mi), 95696 (9.7 mi), 94599 (10.4 mi) and 94534 (10.9 mi).
Is 94558 a PO Box ZIP code?
94558 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “94558 ZIP Code — Napa, California (Napa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94558
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/94558.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.