00840
ZIP 00840 is in Frederiksted, U.S. Virgin Islands, in St. Croix Island; Atlantic time. Frederiksted has 2 ZIP codes; the other is 00841.
- Type
- Standard
- Time zone
- America/St_Thomas
- County
- St. Croix Island
- Metro area
- none
- Coordinates
- 17.7247, -64.8485
Weather right now
Asking the National Weather Service…
Where 00840 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 00840 into a pocket calculator and turn it upside down: OhBOO — not quite a word, sorry.
- ➕ As a number, 840 = 2 × 2 × 2 × 3 × 5 × 7. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101001000 - 🏠 Its numerical neighbours: 00831 (St John, VI, 42 mi away) and 00841 (Frederiksted, VI, 4 mi away).
- 🔄 Backwards, 00840 becomes 04800, which is not a ZIP code at all.
- 👥 6 other ZIP codes are made of exactly the same digits (00804, 04008, 08004, 40008, 80004, 80040). The farthest-flung twin is 80004 in Arvada, CO, 2,842 miles away.
- 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
- 🎯2,525 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 00840 and you would come out at 17.72°S, 115.15°E — 627 miles from Denpasar, Indonesia, the nearest big city to that spot.
- ☀Longest day of the year: 13h 11m of daylight. Shortest: 11h 04m.
- 📏 At 31.0 square miles of land, 00840 is bigger than 46% of ZIP codes — room for about 24 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
Land area
| Land area | 31.00 sq miThis ZIP31.00 sq mi |
|---|---|
| Water area | 1.56 sq miThis ZIP1.56 sq mi |
Other place names in 00840
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 00840
| ZIP | City | Distance |
|---|---|---|
00850 | Kingshill, VI | 3.7 mi |
00841 | Frederiksted, VI | 3.8 mi |
00851 | Kingshill, VI | 4.3 mi |
00823 | Christiansted, VI | 6.8 mi |
00821 | Christiansted, VI | 7.5 mi |
00822 | Christiansted, VI | 7.5 mi |
00820 | Christiansted, VI | 9.3 mi |
00824 | Christiansted, VI | 11.0 mi |
00831 | St John, VI | 41.8 mi |
00803 | St Thomas, VI | 42.0 mi |
Find every ZIP code within 10 miles of 00840 →
Questions about this ZIP code
Where is ZIP code 00840?
00840 is in Frederiksted, U.S. Virgin Islands, in St. Croix Island. Its published point location is 17.7247, -64.8485.
What county is 00840 in?
00840 lies in St. Croix Island.
What time zone is 00840 in?
00840 uses America/St_Thomas.
What ZIP codes are near 00840?
The closest are 00850 (3.7 mi), 00841 (3.8 mi), 00851 (4.3 mi), 00823 (6.8 mi) and 00821 (7.5 mi).
Is 00840 a PO Box ZIP code?
00840 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “00840 ZIP Code — Frederiksted, U.S. Virgin Islands (St. Croix Island).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00840
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/00840.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.