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/IN/PLAINFIELD

Plainfield ZIP code, Indiana

The ZIP code for Plainfield, IN is 46168, and its area codes are 317 and 463.

USPS city name
1 ZIP code
Overlapping the city
3 more
Population
36,369
Area codes
317, 463
State
Indiana

Mail addressed to Plainfield uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Plainfield in numbers

About 36,369 people live in Plainfield, in 12,809 households, the 27th-largest of Indiana's 794 census places. The median household income is $87,272 a year, 21% above the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $280,600 (29% above the Indiana median), and median gross rent is $1,499 a month. The median age is 38.4; 32.7% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 23 minutes.

Population36,369Plainfield36,369
Households12,809Plainfield12,809
Median age38.4Plainfield38.4Indiana38.1US 38.9
Median household income$87,272Plainfield$87,272Indiana$71,957US $80,734
Median home value$280,600Plainfield$280,600Indiana$218,200US $332,700
Median gross rent$1,499Plainfield$1,499Indiana$1,062US $1,413
Bachelor's degree or higher32.7%Plainfield32.7%Indiana29.5%US 35.7%
Mean commute22.8 minPlainfield22.8 minIndiana24.1 minUS 26.4 min
Population density1,351 / sq miPlainfield1,351 / sq mi

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

ZIP codes addressed as Plainfield

ZIP codes with the USPS city name Plainfield
ZIP City Type Population Median income Median home
46168 Plainfield , IN Standard 38,826 $90,000 $297,200

Other ZIP codes overlapping Plainfield

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

ZIP codes overlapping Plainfield
ZIP City Type Population Median income Median home
46113 Camby , IN Standard 17,192 $84,463 $248,000
46123 Avon , IN Standard 43,353 $103,485 $312,100
46231 Indianapolis , IN Standard 10,371 $71,825 $219,600

Map of Plainfield ZIP codes

The ZIP codes of Plainfield, IN, 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 Plainfield

The nearest larger towns are Indianapolis (885,860 people, 13 mi), Greenwood (66,029 people, 15 mi) and Carmel (101,651 people, 22 mi).

Towns near Plainfield
TownPopulationDistance
Avon 23,437 4.8 mi
Mooresville 9,751 6.3 mi
Danville 11,714 8.0 mi
Speedway 13,968 9.6 mi
Brownsburg 31,215 9.8 mi
Brooklyn 2,570 10.3 mi
Pittsboro 4,156 13.3 mi
Indianapolis 885,860 13.3 mi
Bargersville 10,752 13.7 mi
Beech Grove 14,913 15.2 mi
Greenwood 66,029 15.5 mi
New Whiteland 5,704 17.1 mi
Heritage Lake 3,227 18.1 mi
Whiteland 5,173 18.5 mi

More nearby: every ZIP code in Hendricks County · Indiana ZIP codes

Cite this page

zipcodes.pro. “Plainfield, IN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/in/plainfield

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