County ZIP codes · Mississippi · FIPS 28101
Newton County, MS ZIP Codes
Newton County, Mississippi has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Newton County and 4 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $40,105 in 39345 (Newton) to $88,112 in 39325 (Collinsville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Newton 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 $56,944 and $58,462.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Newton County
7 ZIP codes lie mainly in Newton County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 39345 | Newton | 5,870 | 42 | $40k | $89k | 84% |
| 39327 | Decatur | 4,509 | 43 | $58k | $157k | 100% |
| 39057 | Conehatta | 2,718 | 43 | $62k | $159k | 87% |
| 39332 | Hickory | 1,835 | 29 | $65k | $105k | 90% |
| 39337 | Little Rock | 1,472 | 22 | $62k | $113k | 94% |
| 39336 | Lawrence | 1,345 | 19 | $39k | $57k | 87% |
| 39323 | Chunky | 1,017 | 17 | $57k | $99k | 66% |
Partly in Newton 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?
10 ZIP codes of Newton County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Newton | Elsewhere |
|---|---|---|
| 39365 | 28% | Neshoba County 71% |
| 39325 | 4% | Lauderdale County 55%; Kemper County 31%; Neshoba County 10% |
| 39345 | 84% | Jasper County 16% |
| 39092 | 14% | Scott County 80%; Smith County 6% |
| 39330 | 4% | Clarke County 58%; Lauderdale County 29%; Jasper County 9% |
| 39057 | 87% | Scott County 13% |
| 39332 | 90% | Jasper County 10% |
| 39337 | 94% | Neshoba County 6% |
| 39336 | 87% | Jasper County 9%; Smith County 5% |
| 39323 | 66% | Lauderdale County 34% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Newton County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Newton County's ZIP codes use 2 prefixes: 390 and 393.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.