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/GREENFIELD

Greenfield ZIP code, California

The ZIP code for Greenfield, CA is 93927, and its area code is 831.

USPS city name
1 ZIP code
Population
20,232
Area code
831

Greenfield in numbers

About 20,232 people live in Greenfield, in 4,426 households. The median household income is $84,740 a year, 15% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $531,400 (28% below the California median), and median gross rent is $1,724 a month. The median age is 28.8; 8.4% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 24 minutes.

Population20,232Greenfield20,232
Households4,426Greenfield4,426
Median age28.8Greenfield28.8California37.9US 38.9
Median household income$84,740Greenfield$84,740California$99,122US $80,734
Median home value$531,400Greenfield$531,400California$734,700US $332,700
Median gross rent$1,724Greenfield$1,724California$2,036US $1,413
Bachelor's degree or higher8.4%Greenfield8.4%California37.1%US 35.7%
Mean commute23.8 minGreenfield23.8 minCalifornia28.7 minUS 26.4 min
Population density6,805 / sq miGreenfield6,805 / sq mi

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

ZIP codes addressed as Greenfield

ZIP codes with the USPS city name Greenfield
ZIP City Type Population Median income Median home
93927 Greenfield , CA Standard 21,574 $82,500 $532,000

Map of Greenfield ZIP codes

93927

The ZIP codes of Greenfield, 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 Greenfield

The nearest larger towns are Soledad (26,365 people, 8.7 mi), Salinas (161,761 people, 33 mi) and Hollister (43,811 people, 38 mi).

Towns near Greenfield
TownPopulationDistance
Soledad 26,365 8.7 mi
King City 13,604 9.7 mi
Gonzales 8,492 16.8 mi
Carmel Valley Village 4,785 29.8 mi

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

Cite this page

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

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