ZIP codes in Lincoln County

28 ZIPs touch Lincoln County, Maine. The blue dashed line is the county border; orange ZIPs reach into it.

ZIP codes

cross the county line

36,099

people in these ZIPs

counties in ME

Most people

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Lincoln County ZIP list

More counties in Maine

All 16 counties in Maine

Questions people actually ask

How many ZIP codes are in Lincoln County, Maine?

28 ZIP codes reach into Lincoln County, including 1 PO Box or single-address ZIPs placed by the town they serve. Every ZIP area here lies wholly inside the county.

Which ZIP code in Lincoln County has the most people?

04572 (Waldoboro) has about 5,253 residents, the most of any ZIP touching Lincoln County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Lincoln 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 Lincoln 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