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zipcodes.pro — CITY/TN/DUFF

Duff ZIP code, Tennessee

The ZIP code for Duff, TN is 37729, and its area code is 423.

USPS city name
1 ZIP code
Population
1,279
Area code
423

NANPA lists no telephone rate centre for Duff itself, so these are the area codes of the nearest one, Jellico (6.4 miles). A town on an area-code boundary can differ from its neighbour.

Duff in numbers

About 1,279 people live in Duff, in 477 households. The median household income is $42,772 a year, 39% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $112,300 (61% below the Tennessee median).

Population1,279Duff1,279
Households477Duff477
Median household income$42,772Duff$42,772Tennessee$69,595US $80,734
Median home value$112,300Duff$112,300Tennessee$286,700US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Duff. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Duff

ZIP codes with the USPS city name Duff
ZIP City Type Population Median income Median home
37729 Duff , TN Standard 1,279 $42,772 $112,300

Map of Duff ZIP codes

37729

The ZIP codes of Duff, TN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Duff

The nearest larger towns are Jellico (1,855 people, 6.1 mi), Fincastle (1,374 people, 7.7 mi) and La Follette (7,273 people, 11 mi).

Towns near Duff
TownPopulationDistance
La Follette 7,273 11.1 mi
Jacksboro 2,650 15.2 mi
Williamsburg, KY 5,270 17.2 mi
Middlesborough, KY 9,123 18.5 mi
Harrogate 4,368 21.9 mi
Maynardville 2,528 22.4 mi
New Tazewell 2,799 24.3 mi
Barbourville, KY 3,146 25.7 mi
Tazewell 2,902 26.1 mi
Oneida 3,819 26.5 mi
Corbin, KY 8,246 29.1 mi
Clinton 10,239 29.3 mi

More nearby: every ZIP code in Campbell County · Tennessee ZIP codes

Cite this page

zipcodes.pro. “Duff, TN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tn/duff

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