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/MN/FLENSBURG

Flensburg ZIP code, Minnesota

The ZIP code for Flensburg, MN is 56328, and its area code is 320.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
199
Area code
320

NANPA lists no telephone rate centre for Flensburg itself, so these are the area codes of the nearest one, Swanville (4.8 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Flensburg uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

ZIP codes addressed as Flensburg

ZIP codes with the USPS city name Flensburg
ZIP City Type Population Median income Median home
56328 Flensburg , MN Standard 144 $107,188 $186,900

Other ZIP codes overlapping Flensburg

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

ZIP codes overlapping Flensburg
ZIP City Type Population Median income Median home
56345 Little Falls , MN Standard 15,008 $60,676 $236,300
56382 Swanville , MN Standard 1,365 $76,125 $277,800

Map of Flensburg ZIP codes

56328

The ZIP codes of Flensburg, MN, 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 Flensburg

The nearest larger towns are Swanville (274 people, 5.6 mi), Little Falls (9,121 people, 8.6 mi) and Upsala (417 people, 9.4 mi).

Towns near Flensburg
TownPopulationDistance
Little Falls 9,121 8.6 mi
Long Prairie 3,693 16.0 mi
Albany 2,821 22.2 mi
Melrose 3,671 23.2 mi
Sauk Centre 4,621 25.0 mi
Sartell 19,758 27.5 mi
St. Joseph 7,021 28.6 mi
Baxter 8,966 30.0 mi

More nearby: every ZIP code in Morrison County · Minnesota ZIP codes

Cite this page

zipcodes.pro. “Flensburg, MN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mn/flensburg

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