ZIP codes in Jackson County
11 ZIPs touch Jackson County, Oklahoma. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
4
cross the county line
28,047
people in these ZIPs
77
counties in OK
Most people
Jackson County ZIP list
More counties in Oklahoma
- Grant County10
- Greer County4
- Harmon County6
- Harper County7
- Haskell County8
- Hughes County10
- Jefferson County9
- Johnston County13
- Kay County11
- Kingfisher County12
- Kiowa County9
- Latimer County8
Questions people actually ask
How many ZIP codes are in Jackson County, Oklahoma?
11 ZIP codes reach into Jackson County, including 1 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Jackson County has the most people?
73521 (Altus) has about 20,155 residents, the most of any ZIP touching Jackson County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Jackson 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 Jackson 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