ZIP codes in Androscoggin County
23 ZIPs touch Androscoggin County, Maine. The blue dashed line is the county border; orange ZIPs reach into it.
23
ZIP codes
0
cross the county line
113,423
people in these ZIPs
16
counties in ME
Most people
Androscoggin County ZIP list
More counties in Maine
- Aroostook County47
- Cumberland County52
- Franklin County21
- Hancock County45
- Kennebec County35
- Knox County20
Questions people actually ask
How many ZIP codes are in Androscoggin County, Maine?
23 ZIP codes reach into Androscoggin County, including 9 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 Androscoggin County has the most people?
04240 (Lewiston) has about 38,324 residents, the most of any ZIP touching Androscoggin County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Androscoggin 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 Androscoggin 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