ZIP codes in Fayette County
17 ZIPs touch Fayette County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
17
ZIP codes
12
cross the county line
55,317
people in these ZIPs
254
counties in TX
Most people
Fayette County ZIP list
More counties in Texas
- Edwards County4
- El Paso County145
- Ellis County22
- Erath County16
- Falls County17
- Fannin County20
- Fisher County9
- Floyd County8
- Foard County3
- Fort Bend County40
- Franklin County7
- Freestone County9
Questions people actually ask
How many ZIP codes are in Fayette County, Texas?
17 ZIP codes reach into Fayette County, including 2 PO Box or single-address ZIPs placed by the town they serve. 12 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Fayette County has the most people?
78957 (Smithville) has about 10,543 residents, the most of any ZIP touching Fayette County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Fayette 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 Fayette 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