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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/15601

15601

ZIP 15601 is in Greensburg, Pennsylvania, in Westmoreland County; area codes 724, 878 and 412; Eastern time. Greensburg has 3 ZIP codes; the others are 15605 and 15606.

Type
Standard
Time zone
America/New_York
County
Westmoreland
Metro area
Pittsburgh, PA
Population
56,425
Coordinates
40.3133, -79.5364
☼ Live from 15601 — Greensburg, PA

Weather right now

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Local time: —

Where 15601 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 15601
  • 🔢 Type 15601 into a pocket calculator and turn it upside down: IOgSI — not quite a word, sorry.
  • ➕ 15601 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110011110001
  • 🏠 Its numerical neighbours: 15565 (West Salisbury, PA, 44 mi away) and 15605 (Greensburg, PA, 6 mi away).
  • 🔄 Backwards, 15601 becomes 10651, which is not a ZIP code at all.
  • 👥 39 other ZIP codes are made of exactly the same digits (01516, 01561, 01615, 05161, 06115, 06151, …). The farthest-flung twin is 51106 in Sioux City, IA, 881 miles away.
  • 🧭 Farther north than 59% of all ZIP codes, and farther east than 75%.
  • 🎯1,005 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 15601 and you would come out at 40.31°S, 100.46°E — 1,033 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
  • 📏 At 80.6 square miles of land, 15601 is bigger than 73% of ZIP codes — room for about 61 Central Parks.
🌙 The sky over 15601 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population56,425This ZIP56,425
Households24,492This ZIP24,492
Housing units26,232This ZIP26,232
Median age46.0This ZIP46.0Pennsylvania40.9US 38.9
Median household income$78,555This ZIP$78,555Pennsylvania$77,971US $80,734
Median home value$228,000This ZIP$228,000Pennsylvania$254,500US $332,700
Median gross rent$904This ZIP$904Pennsylvania$1,209US $1,413
Bachelor's degree or higher40.3%This ZIP40.3%
Mean commute24.7 minThis ZIP24.7 min
Population density699.7 / sq miThis ZIP699.7 / sq mi

Business and tax activity

Business establishments1,776This ZIP1,776
Employees29,133This ZIP29,133
Annual payroll$1,381,666,000This ZIP$1,381,666,000
Tax returns filed28,680This ZIP28,680
Total adjusted gross income$2,508,914,000This ZIP$2,508,914,000

Land area

Land area80.64 sq miThis ZIP80.64 sq mi
Water area0.13 sq miThis ZIP0.13 sq mi

Other place names in 15601

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

ZIP codes near 15601

ZIPCityDistance
15606 Greensburg, PA 0.8 mi
15619 Bovard, PA 2.1 mi
15635 Hannastown, PA 3.0 mi
15633 Forbes Road, PA 3.3 mi
15662 Luxor, PA 3.5 mi
15634 Grapeville, PA 3.8 mi
15664 Mammoth, PA 4.3 mi
15644 Jeannette, PA 4.6 mi
15624 Crabtree, PA 5.0 mi
15616 Armbrust, PA 5.5 mi

Find every ZIP code within 10 miles of 15601 →

Questions about this ZIP code

Where is ZIP code 15601?

15601 is in Greensburg, Pennsylvania, in Westmoreland County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.3133, -79.5364.

What county is 15601 in?

15601 lies in Westmoreland County.

What area code is 15601?

Greensburg uses area codes 724, 878 and 412, from NANPA's telephone records.

What time zone is 15601 in?

15601 uses America/New_York.

How many people live in 15601?

About 56,425 people live in ZIP code 15601, in 24,492 households, at 699.7 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 15601?

$78,555 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 15601?

The closest are 15606 (0.8 mi), 15619 (2.1 mi), 15635 (3 mi), 15633 (3.3 mi) and 15662 (3.5 mi).

Is 15601 a PO Box ZIP code?

15601 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “15601 ZIP Code — Greensburg, Pennsylvania (Westmoreland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15601

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