ZIP codes in Platte County
23 ZIPs touch Platte County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
23
ZIP codes
10
cross the county line
197,509
people in these ZIPs
115
counties in MO
Most people
Platte County ZIP list
More counties in Missouri
- Ozark County21
- Pemiscot County14
- Perry County10
- Pettis County16
- Phelps County14
- Pike County12
- Polk County18
- Pulaski County11
- Putnam County10
- Ralls County9
- Randolph County12
- Ray County12
Questions people actually ask
How many ZIP codes are in Platte County, Missouri?
23 ZIP codes reach into Platte County, including 3 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Platte County has the most people?
64118 (Kansas City) has about 41,984 residents, the most of any ZIP touching Platte County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Platte County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Platte County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from