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/KS/IONIA

Ionia ZIP codes, Kansas

No ZIP code is named for Ionia, KS; addresses there use a neighbouring town's name. The ZIP code covering it is 66949. Its area code is 785.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
0
Area code
785
State
Kansas

ZIP codes covering Ionia

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

ZIP codes overlapping Ionia
ZIP City Type Population Median income Median home
66949 Jewell , KS Standard 524 $46,250 $71,300

Map of Ionia ZIP codes

The ZIP codes of Ionia, KS, 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

Towns near Ionia
TownPopulationDistance
Beloit 3,029 18.6 mi

More nearby: every ZIP code in Jewell County · Kansas ZIP codes

Cite this page

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

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