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/19726

19726

ZIP 19726 is in New Castle, Delaware, in New Castle County; area code 302; Eastern time. New Castle has 3 ZIP codes; the others are 19720 and 19721.

Type
No street area
Time zone
America/New_York
County
New Castle
Coordinates
39.6621, -75.5663

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 19720, whose figures describe that area — not this ZIP code.

☼ Live from 19726 — New Castle, DE

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Where 19726 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 19726
  • 🔢 Type 19726 into a pocket calculator and turn it upside down: gZLGI — not quite a word, sorry.
  • ➕ As a number, 19,726 = 2 × 7 × 1409. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100110100001110
  • 🏠 Its numerical neighbours: 19725 (Newark, DE, 7 mi away) and 19730 (Odessa, DE, 15 mi away).
  • 🔄 Backwards, 19726 becomes 62791 — and that is a real ZIP code: Springfield, IL, 746 miles away.
  • 👥 40 other ZIP codes are made of exactly the same digits (12769, 12967, 12976, 16729, 16927, 21679, …). The farthest-flung twin is 96271 in APO AA, a military post office, 6,951 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 86%.
  • 🎯1,219 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19726 and you would come out at 39.66°S, 104.43°E — 832 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 22m.
🌙 The sky over 19726 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees15This ZIP15
Annual payroll$504,000This ZIP$504,000

Land area

ZIP codes near 19726

ZIPCityDistance
19720 New Castle, DE 2.3 mi
08070 Pennsville, NJ 4.0 mi
08023 Deepwater, NJ 4.1 mi
19801 Wilmington, DE 4.5 mi
19804 Wilmington, DE 4.9 mi
19884 Wilmington, DE 5.9 mi
19885 Wilmington, DE 5.9 mi
19886 Wilmington, DE 5.9 mi
19893 Wilmington, DE 5.9 mi
19894 Wilmington, DE 5.9 mi

Find every ZIP code within 10 miles of 19726 →

Questions about this ZIP code

Where is ZIP code 19726?

19726 is in New Castle, Delaware, in New Castle County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.6621, -75.5663.

What county is 19726 in?

19726 lies in New Castle County.

What area code is 19726?

New Castle uses area code 302, from NANPA's telephone records.

What time zone is 19726 in?

19726 uses America/New_York.

What ZIP codes are near 19726?

The closest are 19720 (2.3 mi), 08070 (4 mi), 08023 (4.1 mi), 19801 (4.5 mi) and 19804 (4.9 mi).

Is 19726 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. “19726 ZIP Code — New Castle, Delaware (New Castle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19726

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curl https://zipcodes.pro/zip/19726.json

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