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/SPEEDWELL

Speedwell ZIP code, Tennessee

The ZIP code for Speedwell, TN is 37870.

USPS city name
1 ZIP code
Population
4,385

Speedwell in numbers

About 4,385 people live in Speedwell, in 1,653 households. The median household income is $55,516 a year, 20% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $126,400 (56% below the Tennessee median).

Population4,385Speedwell4,385
Households1,653Speedwell1,653
Median household income$55,516Speedwell$55,516Tennessee$69,595US $80,734
Median home value$126,400Speedwell$126,400Tennessee$286,700US $332,700

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

ZIP codes addressed as Speedwell

ZIP codes with the USPS city name Speedwell
ZIP City Type Population Median income Median home
37870 Speedwell , TN Standard 4,385 $55,516 $126,400

Map of Speedwell ZIP codes

37870

The ZIP codes of Speedwell, 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 Speedwell

The nearest larger towns are Middlesborough, KY (9,123 people, 12 mi), La Follette (7,273 people, 17 mi) and Williamsburg, KY (5,270 people, 26 mi).

Towns near Speedwell
TownPopulationDistance
Middlesborough, KY 9,123 12.1 mi
New Tazewell 2,799 12.8 mi
Harrogate 4,368 13.0 mi
Tazewell 2,902 14.8 mi
Maynardville 2,528 15.0 mi
La Follette 7,273 17.4 mi
Jacksboro 2,650 21.8 mi
Blaine 3,213 23.3 mi
Williamsburg, KY 5,270 26.5 mi
Halls 10,272 26.9 mi
Mascot 3,277 27.5 mi
Barbourville, KY 3,146 28.0 mi
Strawberry Plains 2,669 29.5 mi

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

Cite this page

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

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