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/WI/GREENFIELD

Greenfield ZIP codes, Wisconsin

No ZIP code is named for Greenfield, WI; addresses there use a neighbouring town's name. 6 ZIP codes cover it: 53221, 53219, 53220, 53227, 53228 and 53129. Its area codes are 414 and 262.

USPS city name
0 ZIP codes
Overlapping the city
6 more
Population
37,345
Area codes
414, 262

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

Greenfield in numbers

About 37,345 people live in Greenfield, in 17,393 households, the 21st-largest of Wisconsin's 805 census places. The median household income is $70,459 a year, 9% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $261,100 (about the same as the Wisconsin median), and median gross rent is $1,170 a month. The median age is 42.0; 33.5% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 22 minutes.

Population37,345Greenfield37,345
Households17,393Greenfield17,393
Median age42.0Greenfield42.0Wisconsin40.2US 38.9
Median household income$70,459Greenfield$70,459Wisconsin$77,485US $80,734
Median home value$261,100Greenfield$261,100Wisconsin$266,500US $332,700
Median gross rent$1,170Greenfield$1,170Wisconsin$1,087US $1,413
Bachelor's degree or higher33.5%Greenfield33.5%Wisconsin33.4%US 35.7%
Mean commute22.2 minGreenfield22.2 minWisconsin22.2 minUS 26.4 min
Population density3,238 / sq miGreenfield3,238 / 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 covering Greenfield

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

ZIP codes overlapping Greenfield
ZIP City Type Population Median income Median home
53129 Greendale , WI Standard 14,570 $95,012 $311,800
53219 Milwaukee , WI Standard 34,764 $70,388 $203,900
53220 Milwaukee , WI Standard 27,782 $69,319 $229,300
53221 Milwaukee , WI Standard 38,044 $63,265 $219,600
53227 Milwaukee , WI Standard 22,885 $73,321 $225,900
53228 Milwaukee , WI Standard 15,121 $75,033 $272,000

Map of Greenfield ZIP codes

531295321953220532215322753228

The ZIP codes of Greenfield, WI, 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 West Allis (59,612 people, 3.4 mi), New Berlin (40,270 people, 6.3 mi) and Wauwatosa (48,529 people, 7.2 mi).

Towns near Greenfield
TownPopulationDistance
Greendale 14,594 1.4 mi
Hales Corners 7,689 2.6 mi
West Allis 59,612 3.4 mi
West Milwaukee 4,038 4.0 mi
Franklin 35,886 5.3 mi
New Berlin 40,270 6.3 mi
St. Francis 9,004 6.8 mi
Cudahy 17,853 7.2 mi
Wauwatosa 48,529 7.2 mi
Elm Grove 6,459 7.3 mi
Milwaukee 566,973 7.4 mi
Oak Creek 37,325 7.8 mi
South Milwaukee 20,442 8.0 mi
Muskego 25,406 9.0 mi

More nearby: every ZIP code in Milwaukee County · Wisconsin ZIP codes

Cite this page

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

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