Weir, KS ZIP Code

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

The ZIP code of Weir, KS is 66781. It is in Cherokee County.

Mailing address format for Weir

John Smith
123 Main St
WEIR KS 66781
USA

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

ZIP code	Population	Area
66781	—	45.7 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 Weir, KS?

The main ZIP code for Weir, KS is 66781.

How many ZIP codes does Weir have?

Weir has 1 ZIP code.

What county is Weir, KS in?

Weir is in Cherokee County, Kansas.

What time zone is Weir in?

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

What are the coordinates of Weir?

Latitude 37.30959, longitude -94.77447.

Last updated: November 14, 2026