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/GREENFIELD

Greenfield ZIP code, Tennessee

The ZIP code for Greenfield, TN is 38230, and its area code is 731.

USPS city name
1 ZIP code
Population
2,264
Area code
731

Greenfield in numbers

About 2,264 people live in Greenfield, in 854 households. The median household income is $47,368 a year, 32% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $95,300 (67% below the Tennessee median), and median gross rent is $782 a month. The median age is 37.4; 20.3% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 25 minutes.

Population2,264Greenfield2,264
Households854Greenfield854
Median age37.4Greenfield37.4Tennessee38.9US 38.9
Median household income$47,368Greenfield$47,368Tennessee$69,595US $80,734
Median home value$95,300Greenfield$95,300Tennessee$286,700US $332,700
Median gross rent$782Greenfield$782Tennessee$1,189US $1,413
Bachelor's degree or higher20.3%Greenfield20.3%Tennessee31.1%US 35.7%
Mean commute25.4 minGreenfield25.4 minTennessee25.7 minUS 26.4 min
Population density651 / sq miGreenfield651 / sq mi

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

ZIP codes addressed as Greenfield

ZIP codes with the USPS city name Greenfield
ZIP City Type Population Median income Median home
38230 Greenfield , TN Standard 3,765 $55,365 $98,600

Map of Greenfield ZIP codes

38230

The ZIP codes of Greenfield, 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 Greenfield

The nearest larger towns are Dresden (2,943 people, 10.0 mi), Martin (10,915 people, 12 mi) and Trenton (4,151 people, 15 mi).

Towns near Greenfield
TownPopulationDistance
Dresden 2,943 10.0 mi
Martin 10,915 12.2 mi
Trenton 4,151 15.3 mi
McKenzie 5,631 16.9 mi
Milan 8,244 17.7 mi
Union City 10,982 22.5 mi
Humboldt 7,787 24.0 mi
Medina 5,407 24.1 mi
Huntingdon 4,441 24.4 mi
Newbern 3,289 26.1 mi
Paris 10,338 29.2 mi

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

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.