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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/16531

16531

ZIP 16531 is in Erie, Pennsylvania, in Erie County; area codes 814 and 582; Eastern time. Erie has 26 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Erie
Metro area
Erie, PA
Coordinates
42.1827, -80.0649

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.

☼ Live from 16531 — Erie, PA

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Where 16531 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 16531
  • 🔢 Type 16531 into a pocket calculator and turn it upside down: IESgI — not quite a word, sorry.
  • ➕ As a number, 16,531 = 61 × 271. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100000010010011
  • 🏠 Its numerical neighbours: 16530 (Erie, PA, 4 mi away) and 16534 (Erie, PA, 4 mi away).
  • 🔄 Backwards, 16531 becomes 13561, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (11356, 11365, 11563, 13156, 13165, 13615, …). The farthest-flung twin is 36511 in Bon Secour, AL, 925 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 74%.
  • 🎯977 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16531 and you would come out at 42.18°S, 99.94°E — 1,124 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 06m.
🌙 The sky over 16531 today
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees4,644This ZIP4,644
Annual payroll$588,604,000This ZIP$588,604,000

Land area

ZIP codes near 16531

ZIPCityDistance
16514 Erie, PA 0.0 mi
16515 Erie, PA 0.0 mi
16544 Erie, PA 0.0 mi
16565 Erie, PA 0.0 mi
16507 Erie, PA 3.2 mi
16511 Erie, PA 3.2 mi
16550 Erie, PA 3.5 mi
16512 Erie, PA 3.8 mi
16522 Erie, PA 3.8 mi
16530 Erie, PA 3.8 mi

Find every ZIP code within 10 miles of 16531 →

Questions about this ZIP code

Where is ZIP code 16531?

16531 is in Erie, Pennsylvania, in Erie County, part of the Erie, PA metropolitan area. Its published point location is 42.1827, -80.0649.

What county is 16531 in?

16531 lies in Erie County.

What area code is 16531?

Erie uses area codes 814 and 582, from NANPA's telephone records.

What time zone is 16531 in?

16531 uses America/New_York.

What ZIP codes are near 16531?

The closest are 16514 (0 mi), 16515 (0 mi), 16544 (0 mi), 16565 (0 mi) and 16507 (3.2 mi).

Is 16531 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. “16531 ZIP Code — Erie, Pennsylvania (Erie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16531

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/16531.json

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