Lamar County, Mississippi ZIP codes
4 ZIP codes are in Lamar County, plus 2 that cross in from neighboring counties. It's part of the Hattiesburg, MS metro area.
- ZIP codes
- 4
- Population in these ZIPs
- 79,693
- Avg. median income
- $69,300population-weighted
- Cities & towns
- 4
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Lamar County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 39402 | Hattiesburg | 44,620 | $75,220 | $277,400 |
| 39455 | Lumberton | 7,937 | $54,206 | $179,100 |
| 39475 | Purvis | 14,530 | $63,887 | $239,800 |
| 39482 | Sumrall | 12,606 | $64,321 | $260,800 |
ZIP codes partly in Lamar County
These ZIP codes are mostly in a neighboring county but cover part of Lamar County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 39401 | Hattiesburg | Forrest County | 42,531 | $41,127 | $140,000 |
| 39429 | Columbia | Marion County | 16,320 | $46,401 | $133,000 |
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 Lamar County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lamar County, Mississippi?
4 ZIP codes are mainly in Lamar County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lamar County?
ZIP codes in Lamar County use the city names Hattiesburg, Lumberton, Purvis and Sumrall.
What metro area is Lamar County in?
Lamar County is part of the Hattiesburg, MS metropolitan statistical area.