ZIP codes in Metcalfe County
10 ZIPs touch Metcalfe County, Kentucky. The blue dashed line is the county border; orange ZIPs reach into it.
10
ZIP codes
9
cross the county line
42,924
people in these ZIPs
120
counties in KY
Most people
Metcalfe County ZIP list
More counties in Kentucky
- McCracken County8
- McCreary County8
- McLean County8
- Meade County12
- Menifee County5
- Mercer County5
- Monroe County6
- Montgomery County5
- Morgan County11
- Muhlenberg County17
- Nelson County10
- Nicholas County6
Questions people actually ask
How many ZIP codes are in Metcalfe County, Kentucky?
10 ZIP codes reach into Metcalfe County. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Metcalfe County has the most people?
42728 (Columbia) has about 16,412 residents, the most of any ZIP touching Metcalfe County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Metcalfe 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 Metcalfe 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