ZIP codes in Randall County
16 ZIPs touch Randall County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
9
cross the county line
197,049
people in these ZIPs
254
counties in TX
Most people
Randall County ZIP list
More counties in Texas
- Parmer County5
- Pecos County6
- Polk County11
- Potter County29
- Presidio County4
- Rains County6
- Reagan County2
- Real County8
- Red River County9
- Reeves County6
- Refugio County5
- Roberts County5
Questions people actually ask
How many ZIP codes are in Randall County, Texas?
16 ZIP codes reach into Randall County, including 1 PO Box or single-address ZIPs placed by the town they serve. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Randall County has the most people?
79109 (Amarillo) has about 43,578 residents, the most of any ZIP touching Randall County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Randall 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 Randall 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