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/OH/LONDON

London ZIP code, Ohio

The ZIP code for London, OH is 43140, and its area codes are 740 and 220.

USPS city name
1 ZIP code
Population
10,484
Area codes
740, 220
State
Ohio

London in numbers

About 10,484 people live in London, in 4,646 households. The median household income is $60,231 a year, 16% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $201,000 (6% below the Ohio median), and median gross rent is $916 a month. The median age is 41.9; 22.3% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 23 minutes.

Population10,484London10,484
Households4,646London4,646
Median age41.9London41.9Ohio39.7US 38.9
Median household income$60,231London$60,231Ohio$71,389US $80,734
Median home value$201,000London$201,000Ohio$214,800US $332,700
Median gross rent$916London$916Ohio$1,034US $1,413
Bachelor's degree or higher22.3%London22.3%Ohio31.5%US 35.7%
Mean commute22.9 minLondon22.9 minOhio23.4 minUS 26.4 min
Population density1,249 / sq miLondon1,249 / sq mi

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

ZIP codes addressed as London

ZIP codes with the USPS city name London
ZIP City Type Population Median income Median home
43140 London , OH Standard 24,237 $83,644 $242,900

Map of London ZIP codes

43140

The ZIP codes of London, OH, 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 London

The nearest larger towns are Hilliard (38,033 people, 18 mi), Grove City (42,517 people, 18 mi) and Springfield (58,190 people, 19 mi).

Towns near London
TownPopulationDistance
West Jefferson 4,392 7.9 mi
Lake Darby 4,608 12.6 mi
Lincoln Village 8,928 16.8 mi
Plain City 3,829 17.1 mi
Hilliard 38,033 17.8 mi
Grove City 42,517 18.1 mi
Springfield 58,190 19.0 mi
Northridge 7,817 19.3 mi
Upper Arlington 36,293 21.6 mi
Dublin 49,294 21.7 mi
Grandview Heights 8,647 22.0 mi
Cedarville 4,070 22.2 mi
Urbana 11,204 22.4 mi
Commercial Point 3,141 23.4 mi

More nearby: every ZIP code in Madison County · Ohio ZIP codes

Cite this page

zipcodes.pro. “London, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/london

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