County ZIP codes · Missouri · FIPS 29069
Dunklin County, MO ZIP Codes
Dunklin County, Missouri has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 14 residential and 1 for PO boxes or a single organization. 12 of the residential ones lie mainly in Dunklin County and 2 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $46,066 in 63837 (Clarkton) to $55,188 in 63857 (Kennett) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Dunklin 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 $46,971 and $51,923.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Dunklin County
12 ZIP codes lie mainly in Dunklin County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 63857 | Kennett | 11,930 | 112 | $55k | $115k | 97% |
| 63863 | Malden | 5,321 | 94 | $47k | $92k | 72% |
| 63933 | Campbell | 3,049 | 30 | $56k | $102k | 100% |
| 63876 | Senath | 2,071 | 35 | $35k | $96k | 100% |
| 63837 | Clarkton | 1,381 | 44 | $46k | $54k | 72% |
| 63852 | Holcomb | 1,172 | 24 | $47k | $93k | 87% |
| 63829 | Cardwell | 1,070 | 46 | $28k | $68k | 100% |
| 63855 | Hornersville | 854 | 12 | $50k | $75k | 100% |
| 63821 | Arbyrd | 616 | 15 | $40k | $61k | 100% |
| 63849 | Gobler | 176 | 8 | $91k | $117k | 85% |
| 63880 | Whiteoak | 97 | 1,366 | – | – | 100% |
| 63847 | Gibson | 91 | 42 | – | – | 100% |
Partly in Dunklin 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 Dunklin County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Dunklin | Elsewhere |
|---|---|---|
| 63857 | 97% | Pemiscot County 3% |
| 63863 | 72% | New Madrid County 28% |
| 63877 | 6% | Pemiscot County 94% |
| 63822 | 8% | Stoddard County 92% |
| 63837 | 72% | New Madrid County 28% |
| 63852 | 87% | Pemiscot County 13% |
| 63849 | 85% | Pemiscot County 15% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 63875 | Rives |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Dunklin County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Dunklin County's ZIP codes use 2 prefixes: 638 and 639.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.