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/IONIA

Ionia ZIP code, Missouri

The ZIP code for Ionia, MO is 65335, and its area code is 660.

USPS city name
1 ZIP code
Population
74
Area code
660

ZIP codes addressed as Ionia

ZIP codes with the USPS city name Ionia
ZIP City Type Population Median income Median home
65335 Ionia , MO Standard 175 $78,750 —

Map of Ionia ZIP codes

The ZIP codes of Ionia, 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 Ionia

The nearest larger towns are Cole Camp (1,436 people, 7.2 mi), Lincoln (1,787 people, 7.6 mi) and Green Ridge (496 people, 9.4 mi).

Towns near Ionia
TownPopulationDistance
Windsor 3,094 11.0 mi
Sedalia 22,003 14.7 mi
Whiteman AFB 3,517 20.1 mi
Knob Noster 2,838 22.4 mi
Clinton 9,065 25.7 mi
Versailles 2,610 26.3 mi
Warrensburg 19,582 28.1 mi

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

Cite this page

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

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