County ZIP codes · Mississippi · FIPS 28017
Chickasaw County, MS ZIP Codes
Chickasaw County, Mississippi has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 2 for PO boxes or a single organization. 4 of the residential ones lie mainly in Chickasaw County and 4 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $41,030 in 38868 (Shannon) to $57,782 in 39756 (Prairie) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Chickasaw 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 $41,293 and $45,365.
They carry 8 postal town names: Houston, Okolona, Shannon, Houlka, Vardaman, Prairie, Woodland, Mantee.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 8 residential ZIP codes in Chickasaw County
4 ZIP codes lie mainly in Chickasaw County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 38851 | Houston | 8,802 | 40 | $45k | $143k | 100% |
| 38860 | Okolona | 5,388 | 39 | $41k | $100k | 74% |
| 38850 | Houlka | 2,972 | 21 | $53k | $85k | 61% |
| 39776 | Woodland | 1,529 | 18 | $51k | $88k | 81% |
Partly in Chickasaw 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 Chickasaw County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Chickasaw | Elsewhere |
|---|---|---|
| 38860 | 74% | Monroe County 22%; Lee County 3% |
| 38868 | 3% | Lee County 74%; Pontotoc County 15%; Monroe County 7% |
| 38850 | 61% | Calhoun County 21%; Pontotoc County 18% |
| 38878 | 6% | Calhoun County 94% |
| 39756 | 14% | Clay County 46%; Monroe County 40% |
| 39776 | 81% | Clay County 19% |
| 39751 | 12% | Webster County 67%; Clay County 21% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 38875 | Trebloc |
| 38877 | Van Vleet |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Chickasaw County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Chickasaw County's ZIP codes use 2 prefixes: 388 and 397.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.