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/OAK-PARK

Oak Park ZIP code, Minnesota

The ZIP code for Oak Park, MN is 56357, and its area code is 320.

USPS city name
1 ZIP code
Population
1,230
Area code
320

NANPA lists no telephone rate centre for Oak Park itself, so these are the area codes of the nearest one, Foreston (4.7 miles). A town on an area-code boundary can differ from its neighbour.

Oak Park in numbers

About 1,230 people live in Oak Park, in 377 households. The median household income is $114,531 a year, 29% above the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $294,300 (11% below the Minnesota median).

Population1,230Oak Park1,230
Households377Oak Park377
Median household income$114,531Oak Park$114,531Minnesota$89,062US $80,734
Median home value$294,300Oak Park$294,300Minnesota$329,300US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Oak Park. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Oak Park

ZIP codes with the USPS city name Oak Park
ZIP City Type Population Median income Median home
56357 Oak Park , MN Standard 1,230 $114,531 $294,300

Map of Oak Park ZIP codes

56357

The ZIP codes of Oak Park, 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 Oak Park

The nearest larger towns are Foley (2,675 people, 5.7 mi), Milaca (3,044 people, 8.4 mi) and Princeton (5,274 people, 13 mi).

Towns near Oak Park
TownPopulationDistance
Foley 2,675 5.7 mi
Milaca 3,044 8.4 mi
Princeton 5,274 13.2 mi
Sauk Rapids 13,852 18.4 mi
Zimmerman 6,546 19.9 mi
Sartell 19,758 20.6 mi
St. Cloud 70,629 21.3 mi
Becker 5,034 21.5 mi
Big Lake 12,367 24.3 mi
Waite Park 8,399 24.5 mi
St. Augusta 3,625 25.4 mi
St. Joseph 7,021 25.9 mi
Elk River 26,793 27.2 mi
Monticello 14,858 27.5 mi

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

Cite this page

zipcodes.pro. “Oak Park, MN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mn/oak-park

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