ZIP codes in Dyer County
12 ZIPs touch Dyer County, Tennessee. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
6
cross the county line
47,251
people in these ZIPs
95
counties in TN
Most people
Dyer County ZIP list
More counties in Tennessee
- Crockett County10
- Cumberland County12
- Davidson County56
- DeKalb County11
- Decatur County9
- Dickson County12
- Fayette County18
- Fentress County9
- Franklin County16
- Gibson County14
- Giles County17
- Grainger County10
Questions people actually ask
How many ZIP codes are in Dyer County, Tennessee?
12 ZIP codes reach into Dyer County, including 1 PO Box or single-address ZIPs placed by the town they serve. 6 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Dyer County has the most people?
38024 (Dyersburg) has about 25,952 residents, the most of any ZIP touching Dyer County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Dyer 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 Dyer 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