ZIP codes in Worth County

7 ZIPs touch Worth County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.

7

ZIP codes

6

cross the county line

2,477

people in these ZIPs

115

counties in MO

Most people

Worth County ZIP list

Questions people actually ask

How many ZIP codes are in Worth County, Missouri?

7 ZIP codes reach into Worth County. 6 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Worth County has the most people?

64456 (Grant City) has about 1,367 residents, the most of any ZIP touching Worth County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Worth County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Worth County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

Updated 2026-11-10 · Where the data comes from