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/15091

15091

ZIP 15091 is Wildwood, Pennsylvania, in Allegheny County; area codes 724 and 878; Eastern time.

Type
No street area
Time zone
America/New_York
County
Allegheny
Metro area
Pittsburgh, PA
Coordinates
40.5942, -79.9701

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 15044, whose figures describe that area — not this ZIP code.

☼ Live from 15091 — Wildwood, PA

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Local time: —

Where 15091 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 15091
  • 🔢 Type 15091 into a pocket calculator and turn it upside down: IGOSI — not quite a word, sorry.
  • ➕ 15091 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11101011110011
  • 🏠 Its numerical neighbours: 15090 (Wexford, PA, 6 mi away) and 15095 (Warrendale, PA, 7 mi away).
  • 🔄 Backwards, 15091 becomes 19051, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (01519, 01915, 01951, 10159, 10519, 10591, …). The farthest-flung twin is 95011 in Campbell, CA, 2,246 miles away.
  • 🧭 Farther north than 62% of all ZIP codes, and farther east than 74%.
  • 🎯982 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 15091 and you would come out at 40.59°S, 100.03°E — 1,062 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
🌙 The sky over 15091 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees210This ZIP210
Annual payroll$12,703,000This ZIP$12,703,000

Land area

ZIP codes near 15091

ZIPCityDistance
15101 Allison Park, PA 1.2 mi
15044 Gibsonia, PA 3.2 mi
15007 Bakerstown, PA 4.4 mi
15127 Ingomar, PA 4.9 mi
15116 Glenshaw, PA 5.1 mi
15237 Pittsburgh, PA 5.1 mi
15090 Wexford, PA 5.5 mi
15006 Bairdford, PA 5.6 mi
15051 Indianola, PA 6.0 mi
15238 Pittsburgh, PA 6.1 mi

Find every ZIP code within 10 miles of 15091 →

Questions about this ZIP code

Where is ZIP code 15091?

15091 is in Wildwood, Pennsylvania, in Allegheny County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.5942, -79.9701.

What county is 15091 in?

15091 lies in Allegheny County.

What area code is 15091?

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

What time zone is 15091 in?

15091 uses America/New_York.

What ZIP codes are near 15091?

The closest are 15101 (1.2 mi), 15044 (3.2 mi), 15007 (4.4 mi), 15127 (4.9 mi) and 15116 (5.1 mi).

Is 15091 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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zipcodes.pro. “15091 ZIP Code — Wildwood, Pennsylvania (Allegheny County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15091

Machine-readable version of these facts:

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