ZIP code 43140
Where is ZIP code 43140?
London, Ohio
Madison County · Standard ZIP code
ZIP code 43140 belongs to London, Ohio in Madison County. 43140 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 220, 326, 380, 614, 740 and 937. About 24,237 people live in the 43140 area, where the median household income is $83,644. The closest ZIP codes are 43162 (West Jefferson, 8.9 mi east), 45369 (South Vienna, 9.7 mi west) and 43010 (Catawba, 11.7 mi northwest).
| ZIP code | 43140 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | London |
| Also accepted | Summerford |
| State | Ohio (OH) |
| County | Madison County |
| Time zone | Eastern Time · now |
| Area codes | 220, 326, 380, 614, 740, 937 |
| Coordinates | 39.9001, -83.4439 map |
| 3-digit prefix | 431 |
Population and income in 43140
| Population | 24,237 · higher than 87% of Ohio ZIP codes |
|---|---|
| People per square mile | 110 · lower than 62% of Ohio ZIP codes |
| Median age | 42 years · higher than 53% of Ohio ZIP codes |
| Men / women | 60% / 41% |
| Median household income | $83,644 · higher than 74% of Ohio ZIP codes |
| Income per person | $34,937 |
| Below the poverty line | 9.5% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $242,900 · higher than 78% of Ohio ZIP codes |
| Median rent | $918 a month |
| Housing units | 8,704 |
| Households | 8,177 (2.44 people on average) |
| Owners / renters | 73% / 27% |
| Land area | 219.85 sq mi (plus 0.72 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 43140. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 43140
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 43162 | West Jefferson, OH | 8.9 mi E | Standard |
| 45369 | South Vienna, OH | 9.7 mi W | Standard |
| 43010 | Catawba, OH | 11.7 mi NW | PO Box only |
| 43151 | Sedalia, OH | 11.7 mi S | PO Box only |
| 45368 | South Charleston, OH | 12.2 mi W | Standard |
| 43044 | Mechanicsburg, OH | 13.3 mi NW | Standard |
| 43153 | South Solon, OH | 13.6 mi SW | Standard |
| 43119 | Galloway, OH | 14 mi E | Standard |
| 43143 | Mount Sterling, OH | 15.3 mi SE | Standard |
| 43117 | Derby, OH | 15.6 mi SE | PO Box only |
| 43029 | Irwin, OH | 15.8 mi N | Standard |
| 43126 | Harrisburg, OH | 15.9 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 43140 or measure the distance to another ZIP code.
How to address mail to 43140
123 MAIN ST
LONDON OH 43140
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts SUMMERFORD as the city name for 43140. Adding the 4-digit ZIP+4 code (43140-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 43140?
- 43140 is a London, Ohio ZIP code. Summerford is also accepted as the city name.
- What county is 43140 in?
- ZIP code 43140 is in Madison County, Ohio.
- What time zone is ZIP code 43140 in?
- 43140 is in the Eastern Time zone (America/New_York).
- What area code is 43140?
- Phone numbers in ZIP code 43140 use area codes 220, 326, 380, 614, 740 and 937.
- What is the population of ZIP code 43140?
- About 24,237 people live in ZIP code 43140, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 43140?
- The median household income in 43140 is $83,644 a year, higher than 74% of Ohio ZIP codes.
- What ZIP codes are near 43140?
- The nearest ZIP codes to 43140 are 43162 (West Jefferson, 8.9 miles), 45369 (South Vienna, 9.7 miles), 43010 (Catawba, 11.7 miles) and 43151 (Sedalia, 11.7 miles).