County ZIP codes · Tennessee · FIPS 47025
Claiborne County, TN ZIP Codes
Claiborne County, Tennessee has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 4 for PO boxes or a single organization. 8 of the residential ones lie mainly in Claiborne County and 2 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $28,685 in 40965 (Middlesboro) to $60,028 in 37752 (Harrogate) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Claiborne 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 $31,941 and $49,625.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 10 residential ZIP codes in Claiborne County
8 ZIP codes lie mainly in Claiborne County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 37879 | Tazewell | 11,854 | 68 | $48k | $154k | 80% |
| 37825 | New Tazewell | 8,409 | 97 | $50k | $165k | 95% |
| 37752 | Harrogate | 6,185 | 131 | $60k | $194k | 99% |
| 37870 | Speedwell | 4,385 | 53 | $56k | $126k | 75% |
| 37724 | Cumberland Gap | 2,214 | 103 | $32k | $149k | 100% |
| 37715 | Clairfield | 806 | 32 | $26k | $150k | 73% |
| 37730 | Eagan | 33 | 22 | $45k | $110k | 100% |
| 37851 | Pruden | no residents | 0 | – | – | 100% |
Partly in Claiborne 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?
7 ZIP codes of Claiborne County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Claiborne | Elsewhere |
|---|---|---|
| 37879 | 80% | Hancock County 20% |
| 40965 | 15% | Bell County 85% |
| 37825 | 95% | Union County 5% |
| 37752 | 99% | |
| 37869 | 5% | Hancock County 88%; Hawkins County 7% |
| 37870 | 75% | Campbell County 14%; Union County 10% |
| 37715 | 73% | Campbell County 27% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 37707 | Arthur |
| 37773 | Lone Mountain |
| 37824 | New Tazewell |
| 37867 | Shawanee |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Claiborne County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Claiborne County's ZIP codes use 3 prefixes: 377, 378 and 409.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 377 | Knoxville, TN (SCF 377) | 6 | 53 |
| 378 | Knoxville, TN (SCF 377) | 7 | 67 |
| 409 | Knoxville, TN (SCF 377) | 1 | 35 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.