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 — ZIP/15437

15437

ZIP 15437 is Farmington, Pennsylvania, in Fayette County; area codes 724 and 878; Eastern time.

Type
Standard
Time zone
America/New_York
County
Fayette
Metro area
Pittsburgh, PA
Population
2,518
Coordinates
39.7945, -79.5904
☼ Live from 15437 — Farmington, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 15437 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 15437
  • 🔢 Type 15437 into a pocket calculator and turn it upside down: LEhSI — not quite a word, sorry.
  • ➕ As a number, 15,437 = 43 × 359. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110001001101
  • 🏠 Its numerical neighbours: 15436 (Fairchance, PA, 7 mi away) and 15438 (Fayette City, PA, 24 mi away).
  • 🔄 Backwards, 15437 becomes 73451, which is not a ZIP code at all.
  • 👥 54 other ZIP codes are made of exactly the same digits (13457, 13475, 13745, 13754, 14537, 14735, …). The farthest-flung twin is 73541 in Fletcher, OK, 1,076 miles away.
  • 🧭 Farther north than 55% of all ZIP codes, and farther east than 75%.
  • 🎯1,006 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 15437 and you would come out at 39.79°S, 100.41°E — 1,019 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 21m.
  • 📏 At 64.5 square miles of land, 15437 is bigger than 66% of ZIP codes — room for about 49 Central Parks.
🌙 The sky over 15437 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,518This ZIP2,518
Households788This ZIP788
Housing units1,069This ZIP1,069
Median age42.5This ZIP42.5Pennsylvania40.9US 38.9
Median household income$64,813This ZIP$64,813Pennsylvania$77,971US $80,734
Median home value$227,700This ZIP$227,700Pennsylvania$254,500US $332,700
Median gross rent$1,202This ZIP$1,202Pennsylvania$1,209US $1,413
Bachelor's degree or higher23.4%This ZIP23.4%
Mean commute19.7 minThis ZIP19.7 min
Population density39.0 / sq miThis ZIP39.0 / sq mi

Business and tax activity

Business establishments48This ZIP48
Employees1,257This ZIP1,257
Annual payroll$64,222,000This ZIP$64,222,000
Tax returns filed1,220This ZIP1,220
Total adjusted gross income$91,074,000This ZIP$91,074,000

Land area

Land area64.50 sq miThis ZIP64.50 sq mi
Water area0.08 sq miThis ZIP0.08 sq mi

Other place names in 15437

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 15437

ZIPCityDistance
15421 Chalk Hill, PA 3.5 mi
15440 Gibbon Glade, PA 4.8 mi
15470 Ohiopyle, PA 5.1 mi
15445 Hopwood, PA 7.0 mi
15459 Markleysburg, PA 7.0 mi
15436 Fairchance, PA 7.4 mi
15416 Brownfield, PA 8.3 mi
15431 Dunbar, PA 9.5 mi
15456 Lemont Furnace, PA 9.7 mi
26525 Bruceton Mills, WV 9.9 mi

Find every ZIP code within 10 miles of 15437 →

Questions about this ZIP code

Where is ZIP code 15437?

15437 is in Farmington, Pennsylvania, in Fayette County, part of the Pittsburgh, PA metropolitan area. Its published point location is 39.7945, -79.5904.

What county is 15437 in?

15437 lies in Fayette County.

What area code is 15437?

Farmington uses area codes 724 and 878, from NANPA's telephone records.

What time zone is 15437 in?

15437 uses America/New_York.

How many people live in 15437?

About 2,518 people live in ZIP code 15437, in 788 households, at 39.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 15437?

$64,813 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 15437?

The closest are 15421 (3.5 mi), 15440 (4.8 mi), 15470 (5.1 mi), 15445 (7 mi) and 15459 (7 mi).

Is 15437 a PO Box ZIP code?

15437 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “15437 ZIP Code — Farmington, Pennsylvania (Fayette County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15437

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/15437.json

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