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zipcodes.pro — ZIP/19421

19421

ZIP 19421 is Birchrunville, Pennsylvania, in Chester County; area codes 484 and 610; Eastern time.

Type
No street area
Time zone
America/New_York
County
Chester
Coordinates
39.9832, -75.7481

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 19335, whose figures describe that area — not this ZIP code.

☼ Live from 19421 — Birchrunville, PA

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Where 19421 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 19421
  • 🔢 Type 19421 into a pocket calculator and turn it upside down: IZhGI — not quite a word, sorry.
  • ➕ 19421 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100101111011101
  • 🏠 Its numerical neighbours: 19415 (Eagleville, PA, 22 mi away) and 19422 (Blue Bell, PA, 28 mi away).
  • 🔄 Backwards, 19421 becomes 12491 — and that is a real ZIP code: West Hurley, NY, 161 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (11249, 11429, 11942, 12149, 12194, 12419, …). The farthest-flung twin is 94121 in San Francisco, CA, 2,490 miles away.
  • 🧭 Farther north than 56% of all ZIP codes, and farther east than 85%.
  • 🎯1,207 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19421 and you would come out at 39.98°S, 104.25°E — 853 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 19421 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments6This ZIP6
Employees35This ZIP35
Annual payroll$1,219,000This ZIP$1,219,000

Land area

ZIP codes near 19421

ZIPCityDistance
19376 Wagontown, PA 0.0 mi
19397 Southeastern, PA 0.0 mi
19398 Southeastern, PA 0.0 mi
19399 Southeastern, PA 0.0 mi
19372 Thorndale, PA 1.2 mi
19335 Downingtown, PA 3.1 mi
19358 Modena, PA 3.4 mi
19320 Coatesville, PA 4.7 mi
19354 Lyndell, PA 5.2 mi
19375 Unionville, PA 5.8 mi

Find every ZIP code within 10 miles of 19421 →

Questions about this ZIP code

Where is ZIP code 19421?

19421 is in Birchrunville, Pennsylvania, in Chester County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.9832, -75.7481.

What county is 19421 in?

19421 lies in Chester County.

What area code is 19421?

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

What time zone is 19421 in?

19421 uses America/New_York.

What ZIP codes are near 19421?

The closest are 19376 (0 mi), 19397 (0 mi), 19398 (0 mi), 19399 (0 mi) and 19372 (1.2 mi).

Is 19421 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. “19421 ZIP Code — Birchrunville, Pennsylvania (Chester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19421

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/19421.json

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