ZIP codes in Hancock County
17 ZIPs touch Hancock County, Indiana. The blue dashed line is the county border; orange ZIPs reach into it.
17
ZIP codes
15
cross the county line
210,424
people in these ZIPs
92
counties in IN
Most people
Hancock County ZIP list
More counties in Indiana
- Franklin County15
- Fulton County19
- Gibson County17
- Grant County15
- Greene County18
- Hamilton County27
- Harrison County16
- Hendricks County19
- Henry County23
- Howard County15
- Huntington County9
- Jackson County10
Questions people actually ask
How many ZIP codes are in Hancock County, Indiana?
17 ZIP codes reach into Hancock County, including 1 PO Box or single-address ZIPs placed by the town they serve. 15 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Hancock County has the most people?
46140 (Greenfield) has about 43,511 residents, the most of any ZIP touching Hancock County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Hancock 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 Hancock 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.
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Updated 2026-11-10 · Where the data comes from