Allen, KS ZIP Code

ZIP code, county, time zone and coordinates of Allen, Kansas

The ZIP code of Allen, KS is 66833. It is in Lyon County.

Mailing address format for Allen

John Smith
123 Main St
ALLEN KS 66833
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

ZIP code	Population	Area
66833	—	134.2 sq mi	Main

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

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What is the ZIP code for Allen, KS?

The main ZIP code for Allen, KS is 66833.

How many ZIP codes does Allen have?

Allen has 1 ZIP code.

What county is Allen, KS in?

Allen is in Lyon County, Kansas.

What time zone is Allen in?

Allen is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of Allen?

Latitude 38.65512, longitude -96.16964.

Last updated: November 14, 2026