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/MO/HARRISBURG

Harrisburg ZIP code, Missouri

The ZIP code for Harrisburg, MO is 65256, and its area codes are 573 and 235.

USPS city name
1 ZIP code
Population
312
Area codes
573, 235

NANPA lists no telephone rate centre for Harrisburg itself, so these are the area codes of the nearest one, Columbia (7.8 miles). A town on an area-code boundary can differ from its neighbour.

Harrisburg in numbers

About 312 people live in Harrisburg, in 117 households. The median household income is $68,906 a year, about the same as the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $206,700 (10% below the Missouri median), and median gross rent is $944 a month. The median age is 31.7; 32.2% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 28 minutes.

Population312Harrisburg312
Households117Harrisburg117
Median age31.7Harrisburg31.7Missouri39.0US 38.9
Median household income$68,906Harrisburg$68,906Missouri$70,702US $80,734
Median home value$206,700Harrisburg$206,700Missouri$230,300US $332,700
Median gross rent$944Harrisburg$944Missouri$1,033US $1,413
Bachelor's degree or higher32.2%Harrisburg32.2%Missouri32.4%US 35.7%
Mean commute28.1 minHarrisburg28.1 minMissouri23.5 minUS 26.4 min
Population density392 / sq miHarrisburg392 / sq mi

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

ZIP codes addressed as Harrisburg

ZIP codes with the USPS city name Harrisburg
ZIP City Type Population Median income Median home
65256 Harrisburg , MO Standard 2,011 $92,061 $302,500

Map of Harrisburg ZIP codes

65256

The ZIP codes of Harrisburg, MO, 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 Harrisburg

The nearest larger towns are Sturgeon (1,035 people, 12 mi), Higbee (507 people, 12 mi) and Fayette (2,801 people, 12 mi).

Towns near Harrisburg
TownPopulationDistance
Fayette 2,801 12.1 mi
Columbia 128,548 15.1 mi
Centralia 4,690 18.1 mi
Moberly 13,526 19.2 mi
Boonville 7,689 19.7 mi
Ashland 4,914 25.5 mi

More nearby: every ZIP code in Boone County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Harrisburg, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/harrisburg

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