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/HARTLEY

Hartley ZIP codes, California

No ZIP code is named for Hartley, CA; addresses there use a neighbouring town's name. The ZIP code covering it is 95688. Its area codes are 707 and 369.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
2,431
Area codes
707, 369

NANPA lists no telephone rate centre for Hartley itself, so these are the area codes of the nearest one, Vacaville (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Hartley in numbers

About 2,431 people live in Hartley, in 974 households. The median household income is $124,254 a year, 25% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $840,900 (14% above the California median), and median gross rent is $1,225 a month. The median age is 53.9; 28.7% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 24 minutes.

Population2,431Hartley2,431
Households974Hartley974
Median age53.9Hartley53.9California37.9US 38.9
Median household income$124,254Hartley$124,254California$99,122US $80,734
Median home value$840,900Hartley$840,900California$734,700US $332,700
Median gross rent$1,225Hartley$1,225California$2,036US $1,413
Bachelor's degree or higher28.7%Hartley28.7%California37.1%US 35.7%
Mean commute24.2 minHartley24.2 minCalifornia28.7 minUS 26.4 min
Population density376 / sq miHartley376 / sq mi

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

ZIP codes covering Hartley

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

ZIP codes overlapping Hartley
ZIP City Type Population Median income Median home
95688 Vacaville , CA Standard 40,201 $118,186 $687,100

Map of Hartley ZIP codes

95688

The ZIP codes of Hartley, 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 Hartley

The nearest larger towns are Vacaville (102,596 people, 4.4 mi), Dixon (19,683 people, 7.1 mi) and Winters (7,583 people, 7.9 mi).

Towns near Hartley
TownPopulationDistance
Vacaville 102,596 4.4 mi
Dixon 19,683 7.1 mi
Winters 7,583 7.9 mi
Fairfield 120,785 11.8 mi
Suisun City 29,286 12.3 mi
University of California-Davis 8,696 13.2 mi
Davis 66,978 14.9 mi
Esparto 3,713 19.3 mi
Woodland 61,854 20.4 mi
Napa 78,239 20.8 mi
Rio Vista 10,102 21.5 mi
Yountville 3,348 22.5 mi
American Canyon 21,691 23.6 mi
West Sacramento 54,927 23.6 mi

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

Cite this page

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

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