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/OAKVILLE

Oakville ZIP code, California

The ZIP code for Oakville, CA is 94562, and its area code is 707.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
0
Area code
707

NANPA lists no telephone rate centre for Oakville itself, so these are the area codes of the nearest one, Yountville (2.7 miles). A town on an area-code boundary can differ from its neighbour.

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

ZIP codes addressed as Oakville

ZIP codes with the USPS city name Oakville
ZIP City Type Population Median income Median home
94562 Oakville , CA Standard 0 — —

Other ZIP codes overlapping Oakville

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

ZIP codes overlapping Oakville
ZIP City Type Population Median income Median home
94558 Napa , CA Standard 63,657 $113,269 $890,500

Map of Oakville ZIP codes

94562

The ZIP codes of Oakville, 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 Oakville

Towns near Oakville
TownPopulationDistance
Yountville 3,348 3.8 mi
St. Helena 5,318 6.1 mi
Fetters Hot Springs-Agua Caliente 3,347 8.8 mi
Boyes Hot Springs 7,247 9.8 mi
Angwin 2,931 9.9 mi
Sonoma 10,670 10.6 mi
El Verano 3,443 10.8 mi
Napa 78,239 11.3 mi
Calistoga 5,111 13.7 mi
Santa Rosa 177,090 16.2 mi
Rohnert Park 44,575 17.1 mi
Cotati 7,489 18.1 mi
Petaluma 59,247 18.1 mi
Larkfield-Wikiup 8,765 19.5 mi

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

Cite this page

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

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