ZIP codes in Lewis County
11 ZIPs touch Lewis County, Kentucky. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
5
cross the county line
42,444
people in these ZIPs
120
counties in KY
Most people
Lewis County ZIP list
More counties in Kentucky
- Larue County9
- Laurel County13
- Lawrence County11
- Lee County8
- Leslie County23
- Letcher County26
- Lincoln County11
- Livingston County7
- Logan County7
- Lyon County4
- Madison County7
- Magoffin County4
Questions people actually ask
How many ZIP codes are in Lewis County, Kentucky?
11 ZIP codes reach into Lewis County, including 2 PO Box or single-address ZIPs placed by the town they serve. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Lewis County has the most people?
41056 (Maysville) has about 13,445 residents, the most of any ZIP touching Lewis County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Lewis 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 Lewis 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