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/15606

15606

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

Type
No street area
Time zone
America/New_York
County
Westmoreland
Metro area
Pittsburgh, PA
Coordinates
40.3015, -79.5389

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 15601, whose figures describe that area — not this ZIP code.

☼ Live from 15606 — Greensburg, PA

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Where 15606 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 15606
  • 🔢 Type 15606 into a pocket calculator and turn it upside down: gOgSI — not quite a word, sorry.
  • ➕ As a number, 15,606 = 2 × 3 × 3 × 3 × 17 × 17. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110011110110
  • 🏠 Its numerical neighbours: 15605 (Greensburg, PA, 7 mi away) and 15610 (Acme, PA, 13 mi away).
  • 🔄 Backwards, 15606 becomes 60651 — and that is a real ZIP code: Chicago, IL, 441 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (01566, 05661, 06156, 06516, 06615, 10566, …). The farthest-flung twin is 56601 in Bemidji, MN, 907 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 15606 and you would come out at 40.30°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.
🌙 The sky over 15606 today
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Source: USGS.

Land area

ZIP codes near 15606

ZIPCityDistance
15601 Greensburg, PA 0.8 mi
15619 Bovard, PA 2.6 mi
15635 Hannastown, PA 3.8 mi
15634 Grapeville, PA 3.9 mi
15662 Luxor, PA 4.0 mi
15633 Forbes Road, PA 4.2 mi
15664 Mammoth, PA 4.2 mi
15616 Armbrust, PA 4.6 mi
15697 Youngwood, PA 4.8 mi
15644 Jeannette, PA 5.0 mi

Find every ZIP code within 10 miles of 15606 →

Questions about this ZIP code

Where is ZIP code 15606?

15606 is in Greensburg, Pennsylvania, in Westmoreland County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.3015, -79.5389.

What county is 15606 in?

15606 lies in Westmoreland County.

What area code is 15606?

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

What time zone is 15606 in?

15606 uses America/New_York.

What ZIP codes are near 15606?

The closest are 15601 (0.8 mi), 15619 (2.6 mi), 15635 (3.8 mi), 15634 (3.9 mi) and 15662 (4 mi).

Is 15606 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “15606 ZIP Code — Greensburg, Pennsylvania (Westmoreland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15606

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