County ZIP codes · Tennessee · FIPS 47063
Hamblen County, TN ZIP Codes
Hamblen County, Tennessee has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 3 for PO boxes or a single organization. 4 of the residential ones lie mainly in Hamblen County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $47,288 in 37891 (Whitesburg) to $77,624 in 37877 (Talbott) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Hamblen County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $48,011 and $59,355.
They carry 6 postal town names: Morristown, Talbott, White Pine, Bulls Gap, Russellville, Whitesburg.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 7 residential ZIP codes in Hamblen County
4 ZIP codes lie mainly in Hamblen County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 37814 | Morristown | 35,239 | 803 | $56k | $221k | 100% |
| 37813 | Morristown | 18,288 | 315 | $48k | $173k | 97% |
| 37860 | Russellville | 3,700 | 154 | $74k | $202k | 100% |
| 37891 | Whitesburg | 3,671 | 105 | $47k | $175k | 66% |
Partly in Hamblen County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Hamblen County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Hamblen | Elsewhere |
|---|---|---|
| 37813 | 97% | Jefferson County 3% |
| 37877 | 40% | Jefferson County 60% |
| 37890 | 4% | Jefferson County 96% |
| 37711 | 4% | Hawkins County 55%; Greene County 41% |
| 37891 | 66% | Hawkins County 34% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Hamblen County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hamblen County's ZIP codes use 2 prefixes: 377 and 378.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.