ZIP codes in Orange County
8 ZIPs touch Orange County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
8
ZIP codes
2
cross the county line
87,112
people in these ZIPs
254
counties in TX
Most people
Orange County ZIP list
More counties in Texas
- Navarro County18
- Newton County11
- Nolan County9
- Nueces County39
- Ochiltree County5
- Oldham County5
- Palo Pinto County13
- Panola County15
- Parker County21
- Parmer County5
- Pecos County6
- Polk County11
Questions people actually ask
How many ZIP codes are in Orange County, Texas?
8 ZIP codes reach into Orange County, including 4 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 Orange County has the most people?
77630 (Orange) has about 28,983 residents, the most of any ZIP touching Orange County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Orange 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 Orange 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