County ZIP codes · Missouri · FIPS 29227
Worth County, MO ZIP Codes
Worth County, Missouri has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Worth County and 2 mainly in a neighboring county; 6 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Worth County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 7 residential ZIP codes in Worth County
5 ZIP codes lie mainly in Worth County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 64456 | Grant City | 1,367 | 8 | $49k | $92k | 94% |
| 64486 | Sheridan | 270 | 5 | $26k | $55k | 61% |
| 64499 | Worth | 137 | 5 | $94k | $94k | 70% |
| 64441 | Denver | 110 | 2 | $42k | $113k | 62% |
| 64420 | Allendale | 31 | 71 | $74k | $244k | 100% |
Partly in Worth 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?
6 ZIP codes of Worth County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Worth | Elsewhere |
|---|---|---|
| 64456 | 94% | Harrison County 6% |
| 64475 | 38% | Nodaway County 60%; Gentry County 2% |
| 64486 | 61% | Nodaway County 39% |
| 64458 | 5% | Harrison County 95% |
| 64499 | 70% | Gentry County 30% |
| 64441 | 62% | Gentry County 38% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Worth County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Worth County starts with 644.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 644 | Kansas City, MO (SCF 640) | 7 | 70 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.