Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TN/GREENBACK

Greenback ZIP code, Tennessee

The ZIP code for Greenback, TN is 37742, and its area code is 865.

USPS city name
1 ZIP code
Population
1,378
Area code
865

Greenback in numbers

About 1,378 people live in Greenback, in 455 households. The median household income is $72,961 a year, 5% above the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $286,100 (about the same as the Tennessee median), and median gross rent is $1,060 a month. The median age is 32.6; 8.5% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 30 minutes.

Population1,378Greenback1,378
Households455Greenback455
Median age32.6Greenback32.6Tennessee38.9US 38.9
Median household income$72,961Greenback$72,961Tennessee$69,595US $80,734
Median home value$286,100Greenback$286,100Tennessee$286,700US $332,700
Median gross rent$1,060Greenback$1,060Tennessee$1,189US $1,413
Bachelor's degree or higher8.5%Greenback8.5%Tennessee31.1%US 35.7%
Mean commute30.4 minGreenback30.4 minTennessee25.7 minUS 26.4 min
Population density166 / sq miGreenback166 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Greenback city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Greenback

ZIP codes with the USPS city name Greenback
ZIP City Type Population Median income Median home
37742 Greenback , TN Standard 7,046 $88,983 $301,800

Map of Greenback ZIP codes

37742

The ZIP codes of Greenback, 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 Greenback

The nearest larger towns are Vonore (2,191 people, 5.1 mi), Tellico Village (7,414 people, 6.4 mi) and Loudon (6,432 people, 13 mi).

Towns near Greenback
TownPopulationDistance
Tellico Village 7,414 6.4 mi
Loudon 6,432 12.5 mi
Maryville 32,392 12.6 mi
Lenoir City 11,110 13.3 mi
Louisville 4,383 13.7 mi
Madisonville 5,241 13.9 mi
Farragut 24,634 15.8 mi
Alcoa 12,222 16.1 mi
Eagleton Village 5,598 16.2 mi
Sweetwater 6,532 17.4 mi
Karns 4,115 23.1 mi
Oak Ridge 32,693 23.1 mi
Kingston 6,224 24.4 mi
Knoxville 195,185 25.5 mi

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

Cite this page

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

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