ZIP codes in Franklin County
7 ZIPs touch Franklin County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
6
cross the county line
49,060
people in these ZIPs
254
counties in TX
Most people
Franklin County ZIP list
More counties in Texas
- Fannin County20
- Fayette County17
- Fisher County9
- Floyd County8
- Foard County3
- Fort Bend County40
- Freestone County9
- Frio County5
- Gaines County5
- Galveston County25
- Garza County4
- Gillespie County7
Questions people actually ask
How many ZIP codes are in Franklin County, Texas?
7 ZIP codes reach into Franklin County. 6 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Franklin County has the most people?
75455 (Mount Pleasant) has about 26,903 residents, the most of any ZIP touching Franklin County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Franklin 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 Franklin 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.
Keep exploring
Updated 2026-11-10 · Where the data comes from