ZIP codes in Hamblen County
10 ZIPs touch Hamblen County, Tennessee. The blue dashed line is the county border; orange ZIPs reach into it.
10
ZIP codes
5
cross the county line
82,548
people in these ZIPs
95
counties in TN
Most people
Hamblen County ZIP list
More counties in Tennessee
- Franklin County16
- Gibson County14
- Giles County17
- Grainger County10
- Greene County11
- Grundy County10
- Hamilton County37
- Hancock County5
- Hardeman County12
- Hardin County14
- Hawkins County12
- Haywood County6
Questions people actually ask
How many ZIP codes are in Hamblen County, Tennessee?
10 ZIP codes reach into Hamblen County, including 3 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 Hamblen County has the most people?
37814 (Morristown) has about 35,239 residents, the most of any ZIP touching Hamblen County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Hamblen 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 Hamblen 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