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/GREENCASTLE

Greencastle ZIP code, Indiana

The ZIP code for Greencastle, IN is 46135, and its area code is 765.

USPS city name
1 ZIP code
Population
9,864
Area code
765
State
Indiana

Greencastle in numbers

About 9,864 people live in Greencastle, in 3,443 households. The median household income is $55,565 a year, 23% below the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $169,200 (22% below the Indiana median), and median gross rent is $908 a month. The median age is 27.5; 22.5% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 20 minutes.

Population9,864Greencastle9,864
Households3,443Greencastle3,443
Median age27.5Greencastle27.5Indiana38.1US 38.9
Median household income$55,565Greencastle$55,565Indiana$71,957US $80,734
Median home value$169,200Greencastle$169,200Indiana$218,200US $332,700
Median gross rent$908Greencastle$908Indiana$1,062US $1,413
Bachelor's degree or higher22.5%Greencastle22.5%Indiana29.5%US 35.7%
Mean commute19.9 minGreencastle19.9 minIndiana24.1 minUS 26.4 min
Population density1,893 / sq miGreencastle1,893 / sq mi

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

ZIP codes addressed as Greencastle

ZIP codes with the USPS city name Greencastle
ZIP City Type Population Median income Median home
46135 Greencastle , IN Standard 19,632 $73,677 $225,600

Map of Greencastle ZIP codes

The ZIP codes of Greencastle, 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 Greencastle

The nearest larger towns are Danville (11,714 people, 20 mi), Avon (23,437 people, 25 mi) and Plainfield (36,369 people, 25 mi).

Towns near Greencastle
TownPopulationDistance
Heritage Lake 3,227 9.9 mi
Brazil 7,831 17.0 mi
Danville 11,714 20.3 mi
Rockville 2,559 22.1 mi
Avon 23,437 25.4 mi
Plainfield 36,369 25.5 mi
Mooresville 9,751 25.6 mi
Pittsboro 4,156 25.7 mi
Brooklyn 2,570 26.2 mi
Martinsville 11,933 27.1 mi
Crawfordsville 16,491 27.7 mi
Brownsburg 31,215 27.9 mi
North Terre Haute 4,534 28.6 mi
Clinton 4,794 29.7 mi

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

Cite this page

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

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