Dyer County ZIP Codes

Dyer County is a county of Tennessee.

ZIP codes: 8
Cities & towns: 7
Area codes: 1
Land area: 512 sq mi

Every ZIP code in Dyer County

380xx–382xx

The complete list of Dyer County, TN ZIP codes with the city each one delivers to.
ZIP code	City
38007	Bogota
38024	Dyersburg
38025	Dyersburg
38030	Finley
38047	Lenox
38059	Newbern
38070	Tigrett
38259	Trimble

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Dyer County codes above are listed without a column we would have to invent.

Cities and towns in Dyer County

A further 4 places in Dyer County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Dyer County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

731 Area code 731

Where Dyer County's ZIP codes sit

Each point is the reference point of one Dyer County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope every ZIP code recorded in Dyer County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.