ZIP codes in Kleberg County
5 ZIPs touch Kleberg County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
5
ZIP codes
2
cross the county line
67,141
people in these ZIPs
254
counties in TX
Most people
Kleberg County ZIP list
More counties in Texas
- Kenedy County3
- Kent County4
- Kerr County11
- Kimble County7
- King County2
- Kinney County1
- Knox County6
- La Salle County5
- Lamar County16
- Lamb County14
- Lampasas County6
- Lavaca County9
Questions people actually ask
How many ZIP codes are in Kleberg County, Texas?
5 ZIP codes reach into Kleberg County, including 1 PO Box or single-address ZIPs placed by the town they serve. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Kleberg County has the most people?
78418 (Corpus Christi) has about 29,790 residents, the most of any ZIP touching Kleberg County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Kleberg 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 Kleberg 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