County ZIP codes · Mississippi · FIPS 28045
Hancock County, MS ZIP Codes
Hancock County, Mississippi has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 3 for PO boxes or a single organization. 6 of the residential ones lie mainly in Hancock County and 5 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $52,765 in 39466 (Picayune) to $87,407 in 39525 (Diamondhead) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Hancock 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 $52,929 and $70,430.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Hancock County
6 ZIP codes lie mainly in Hancock County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 39520 | Bay Saint Louis | 15,561 | 161 | $62k | $226k | 100% |
| 39525 | Diamondhead | 9,338 | 892 | $87k | $260k | 100% |
| 39576 | Waveland | 6,387 | 979 | $70k | $230k | 100% |
| 39556 | Kiln | 6,041 | 59 | $61k | $171k | 100% |
| 39572 | Pearlington | 1,321 | 123 | $45k | $98k | 100% |
| 39529 | Stennis Space Center | no residents | 0 | – | – | 100% |
Partly in Hancock County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 39466 | Picayune | 28,025 | 183 | $53k | $173k | 37% |
| 39573 | Perkinston | 10,931 | 27 | $70k | $215k | 11% |
| 39426 | Carriere | 18,737 | 103 | $74k | $208k | 10% |
| 39571 | Pass Christian | 14,739 | 171 | $70k | $256k | 4% |
| 39470 | Poplarville | 13,926 | 32 | $53k | $171k | 1% |
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 Hancock County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Hancock | Elsewhere |
|---|---|---|
| 39466 | 37% | Pearl River County 63% |
| 39426 | 10% | Pearl River County 90% |
| 39571 | 4% | Harrison County 96% |
| 39470 | 1% | Pearl River County 99% |
| 39573 | 11% | Stone County 59%; George County 16%; Jackson County 8%; Pearl River County 3%; Harrison County 3% |
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 Hancock County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hancock County's ZIP codes use 2 prefixes: 394 and 395.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.