Obion County, Tennessee ZIP codes
10 ZIP codes are in Obion County, plus 4 that cross in from neighboring counties. It's part of the Union City, TN micro area.
- ZIP codes
- 10
- Population in these ZIPs
- 29,989
- Avg. median income
- $54,700population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Obion County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 38232 | Hornbeak | 2,238 | $46,272 | $164,800 |
| 38240 | Obion | 1,620 | $53,095 | $159,500 |
| 38253 | Rives | 917 | $69,954 | $197,500 |
| 38254 | Samburg | 0 | — | — |
| 38257 | South Fulton | 4,437 | $58,849 | $155,800 |
| 38259 | Trimble | 672 | $39,896 | $107,000 |
| 38260 | Troy | 3,720 | $49,139 | $177,400 |
| 38261 | Union City | 16,385 | $55,876 | $173,000 |
| 38271 PO Box | Woodland Mills | — | — | — |
| 38281 PO Box | Union City | — | — | — |
ZIP codes partly in Obion County
These ZIP codes are mostly in a neighboring county but cover part of Obion County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 38080 | Ridgely | Lake County | 2,506 | $30,313 | $115,200 |
| 38233 | Kenton | Gibson County | 2,674 | $60,000 | $148,500 |
| 38237 | Martin | Weakley County | 15,627 | $51,670 | $217,900 |
| 38255 | Sharon | Weakley County | 2,271 | $45,990 | $154,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Obion County
Nearby counties
Frequently asked questions
How many ZIP codes are in Obion County, Tennessee?
10 ZIP codes are mainly in Obion County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Obion County?
ZIP codes in Obion County use the city names Hornbeak, Obion, Rives, Samburg, South Fulton, Trimble, Troy, Union City and Woodland Mills.
What metro area is Obion County in?
Obion County is part of the Union City, TN micropolitan statistical area.