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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/19037

19037

ZIP 19037 is Glen Riddle Lima, Pennsylvania, in Delaware County; Eastern time.

Type
No street area
Time zone
America/New_York
County
Delaware
Coordinates
39.9340, -75.4060

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 19063, whose figures describe that area — not this ZIP code.

☼ Live from 19037 — Glen Riddle Lima, PA

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Where 19037 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 19037
  • 🔢 Type 19037 into a pocket calculator and turn it upside down: LEOGI — not quite a word, sorry.
  • ➕ 19037 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100101001011101
  • 🏠 Its numerical neighbours: 19036 (Glenolden, PA, 6 mi away) and 19038 (Glenside, PA, 17 mi away).
  • 🔄 Backwards, 19037 becomes 73091, which is not a ZIP code at all.
  • 👥 59 other ZIP codes are made of exactly the same digits (01379, 01937, 07193, 07931, 09137, 09173, …). The farthest-flung twin is 09173 in APO AE, a military post office, 4,100 miles away.
  • 🧭 Farther north than 56% of all ZIP codes, and farther east than 86%.
  • 🎯1,225 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19037 and you would come out at 39.93°S, 104.59°E — 836 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
🌙 The sky over 19037 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments16This ZIP16
Employees108This ZIP108
Annual payroll$5,007,000This ZIP$5,007,000

Land area

ZIP codes near 19037

ZIPCityDistance
19016 Chester, PA 0.0 mi
19088 Wayne, PA 0.0 mi
19091 Media, PA 0.0 mi
19339 Concordville, PA 0.0 mi
19063 Media, PA 0.9 mi
19065 Media, PA 1.4 mi
19052 Lenni, PA 3.3 mi
19039 Gradyville, PA 3.4 mi
19086 Wallingford, PA 3.5 mi
19064 Springfield, PA 3.6 mi

Find every ZIP code within 10 miles of 19037 →

Questions about this ZIP code

Where is ZIP code 19037?

19037 is in Glen Riddle Lima, Pennsylvania, in Delaware County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.9340, -75.4060.

What county is 19037 in?

19037 lies in Delaware County.

What time zone is 19037 in?

19037 uses America/New_York.

What ZIP codes are near 19037?

The closest are 19016 (0 mi), 19088 (0 mi), 19091 (0 mi), 19339 (0 mi) and 19063 (0.9 mi).

Is 19037 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. “19037 ZIP Code — Glen Riddle Lima, Pennsylvania (Delaware County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19037

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/19037.json

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