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/19039

19039

ZIP 19039 is Gradyville, Pennsylvania, in Delaware County; area codes 484 and 610; Eastern time.

Type
No street area
Time zone
America/New_York
County
Delaware
Coordinates
39.9432, -75.4694

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 19342, whose figures describe that area — not this ZIP code.

☼ Live from 19039 — Gradyville, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 19039 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 19039
  • 🔢 Type 19039 into a pocket calculator and turn it upside down: GEOGI — not quite a word, sorry.
  • ➕ As a number, 19,039 = 79 × 241. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100101001011111
  • 🏠 Its numerical neighbours: 19038 (Glenside, PA, 19 mi away) and 19040 (Hatboro, PA, 25 mi away).
  • 🔄 Backwards, 19039 becomes 93091, which is not a ZIP code at all.
  • 👥 23 other ZIP codes are made of exactly the same digits (09139, 10993, 19093, 19390, 19903, 19930, …). The farthest-flung twin is 09139 in APO AE, a military post office, 4,043 miles away.
  • 🧭 Farther north than 56% of all ZIP codes, and farther east than 86%.
  • 🎯1,222 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19039 and you would come out at 39.94°S, 104.53°E — 839 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 01m of daylight. Shortest: 9h 20m.
🌙 The sky over 19039 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees5This ZIP5
Annual payroll$227,000This ZIP$227,000

Land area

ZIP codes near 19039

ZIPCityDistance
19028 Edgemont, PA 2.4 mi
19342 Glen Mills, PA 2.9 mi
19319 Cheyney, PA 3.1 mi
19063 Media, PA 3.3 mi
19016 Chester, PA 3.4 mi
19037 Glen Riddle Lima, PA 3.4 mi
19088 Wayne, PA 3.4 mi
19091 Media, PA 3.4 mi
19339 Concordville, PA 3.4 mi
19052 Lenni, PA 3.4 mi

Find every ZIP code within 10 miles of 19039 →

Questions about this ZIP code

Where is ZIP code 19039?

19039 is in Gradyville, Pennsylvania, in Delaware County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.9432, -75.4694.

What county is 19039 in?

19039 lies in Delaware County.

What area code is 19039?

Gradyville uses area codes 484 and 610, from NANPA's telephone records.

What time zone is 19039 in?

19039 uses America/New_York.

What ZIP codes are near 19039?

The closest are 19028 (2.4 mi), 19342 (2.9 mi), 19319 (3.1 mi), 19063 (3.3 mi) and 19016 (3.4 mi).

Is 19039 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.

Download or cite

Cite this page

zipcodes.pro. “19039 ZIP Code — Gradyville, Pennsylvania (Delaware County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19039

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/19039.json

Underlying data is public domain or openly licensed — sources, vintages and licences.