Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CA/NAPA

Napa ZIP codes, California

Napa, CA has 3 ZIP codes (94558, 94559 and 94581) and area codes 707 and 369. The largest is 94558.

USPS city name
3 ZIP codes
Overlapping the city
1 more
Population
78,239
Area codes
707, 369

Mail addressed to Napa uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Napa in numbers

About 78,239 people live in Napa, in 29,984 households. The median household income is $105,963 a year, 7% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $856,400 (17% above the California median), and median gross rent is $2,282 a month. The median age is 41.5; 38.2% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 24 minutes.

Population78,239Napa78,239
Households29,984Napa29,984
Median age41.5Napa41.5California37.9US 38.9
Median household income$105,963Napa$105,963California$99,122US $80,734
Median home value$856,400Napa$856,400California$734,700US $332,700
Median gross rent$2,282Napa$2,282California$2,036US $1,413
Bachelor's degree or higher38.2%Napa38.2%California37.1%US 35.7%
Mean commute23.9 minNapa23.9 minCalifornia28.7 minUS 26.4 min
Population density4,334 / sq miNapa4,334 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Napa city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Napa

ZIP codes with the USPS city name Napa
ZIP City Type Population Median income Median home
94558 Napa , CA Standard 63,657 $113,269 $890,500
94559 Napa , CA Standard 27,714 $105,188 $898,600
94581 Napa , CA No street area — — —

Other ZIP codes overlapping Napa

These ZIP codes cover part of Napa but are addressed as somewhere else.

ZIP codes overlapping Napa
ZIP City Type Population Median income Median home
94503 American Canyon , CA Standard 21,841 $121,088 $697,400

Map of Napa ZIP codes

945589455994581

The ZIP codes of Napa, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Napa

The nearest larger towns are Vallejo (124,268 people, 13 mi), Fairfield (120,785 people, 15 mi) and Vacaville (102,596 people, 18 mi).

Towns near Napa
TownPopulationDistance
Yountville 3,348 7.5 mi
American Canyon 21,691 8.5 mi
Sonoma 10,670 8.6 mi
Boyes Hot Springs 7,247 10.2 mi
Fetters Hot Springs-Agua Caliente 3,347 10.3 mi
El Verano 3,443 10.3 mi
Vallejo 124,268 13.4 mi
Fairfield 120,785 14.8 mi
Suisun City 29,286 16.1 mi
St. Helena 5,318 17.4 mi
Benicia 26,749 17.4 mi
Crockett 3,372 17.5 mi
Petaluma 59,247 18.2 mi
Rodeo 8,976 18.2 mi

More nearby: every ZIP code in Napa County · California ZIP codes

Cite this page

zipcodes.pro. “Napa, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/napa

Underlying data is public domain or openly licensed — sources, vintages and licences.