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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/16644

16644

ZIP 16644 is Glasgow, Pennsylvania, in Cambria County; area code 814; Eastern time.

Type
No street area
Time zone
America/New_York
County
Cambria
Metro area
Johnstown, PA
Coordinates
40.7178, -78.4637

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 16627, whose figures describe that area — not this ZIP code.

☼ Live from 16644 — Glasgow, PA

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Where 16644 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 16644
  • 🔢 Type 16644 into a pocket calculator and turn it upside down: hhggI — not quite a word, sorry.
  • ➕ As a number, 16,644 = 2 × 2 × 3 × 19 × 73. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100000100000100
  • 🏠 Its numerical neighbours: 16641 (Gallitzin, PA, 16 mi away) and 16645 (Glen Hope, PA, 6 mi away).
  • 🔄 Backwards, 16644 becomes 44661 — and that is a real ZIP code: Nashville, OH, 192 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (14466, 14646, 44661, 46146, 46164, 46614, …). The farthest-flung twin is 66441 in Junction City, KS, 978 miles away.
  • 🧭 Farther north than 63% of all ZIP codes, and farther east than 78%.
  • 🎯1,060 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16644 and you would come out at 40.72°S, 101.54°E — 999 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
🌙 The sky over 16644 today
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees13This ZIP13
Annual payroll$66,000This ZIP$66,000

Land area

ZIP codes near 16644

ZIPCityDistance
16639 Fallentimber, PA 2.5 mi
16627 Coalport, PA 3.2 mi
16619 Blandburg, PA 3.4 mi
16616 Beccaria, PA 3.6 mi
16680 Smithmill, PA 4.8 mi
16640 Flinton, PA 5.7 mi
16671 Ramey, PA 5.9 mi
16645 Glen Hope, PA 6.2 mi
16663 Morann, PA 6.9 mi
16661 Madera, PA 7.8 mi

Find every ZIP code within 10 miles of 16644 →

Questions about this ZIP code

Where is ZIP code 16644?

16644 is in Glasgow, Pennsylvania, in Cambria County, part of the Johnstown, PA metropolitan area. Its published point location is 40.7178, -78.4637.

What county is 16644 in?

16644 lies in Cambria County.

What area code is 16644?

Glasgow uses area code 814, from NANPA's telephone records.

What time zone is 16644 in?

16644 uses America/New_York.

What ZIP codes are near 16644?

The closest are 16639 (2.5 mi), 16627 (3.2 mi), 16619 (3.4 mi), 16616 (3.6 mi) and 16680 (4.8 mi).

Is 16644 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. “16644 ZIP Code — Glasgow, Pennsylvania (Cambria County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16644

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/16644.json

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