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ZIP codes in Unicoi County

6 ZIPs touch Unicoi County, Tennessee. The blue dashed line is the county border; orange ZIPs reach into it.

6

ZIP codes

4

cross the county line

94,582

people in these ZIPs

95

counties in TN

Most people

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Unicoi County ZIP list

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Questions people actually ask

How many ZIP codes are in Unicoi County, Tennessee?

6 ZIP codes reach into Unicoi County. 4 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Unicoi County has the most people?

37601 (Johnson City) has about 38,008 residents, the most of any ZIP touching Unicoi County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Unicoi 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 Unicoi 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