21902
ZIP 21902 is Perry Point, Maryland, in Cecil County; area codes 443, 667 and 410; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Cecil
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- Population
- 340
- Coordinates
- 39.5524, -76.0638
Weather right now
Asking the National Weather Service…
Where 21902 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 21902 into a pocket calculator and turn it upside down: ZOGIZ — not quite a word, sorry.
- ➕ As a number, 21,902 = 2 × 47 × 233. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010110001110 - 🏠 Its numerical neighbours: 21901 (North East, MD, 6 mi away) and 21903 (Perryville, MD, 2 mi away).
- 🔄 Backwards, 21902 becomes 20912 — and that is a real ZIP code: Takoma Park, MD, 64 miles away.
- 👥 36 other ZIP codes are made of exactly the same digits (01229, 01922, 02129, 02912, 02921, 09212, …). The farthest-flung twin is 09212 in APO AE, a military post office, 3,992 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 85%.
- 🎯1,194 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21902 and you would come out at 39.55°S, 103.94°E — 849 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 0.866 square miles of land, 21902 is bigger than 7% of ZIP codes — about 419 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 340This ZIP340 |
|---|---|
| Households | 66This ZIP66 |
| Housing units | 66This ZIP66 |
| Median age | 70.2This ZIP70.2Maryland39.4US 38.9 |
| Bachelor's degree or higher | 15.6%This ZIP15.6% |
| Population density | 392.6 / sq miThis ZIP392.6 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 495This ZIP495 |
| Annual payroll | $96,539,000This ZIP$96,539,000 |
Land area
| Land area | 0.87 sq miThis ZIP0.87 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 21902
| ZIP | City | Distance |
|---|---|---|
21903 | Perryville, MD | 1.8 mi |
21078 | Havre De Grace, MD | 4.2 mi |
21904 | Port Deposit, MD | 4.4 mi |
21914 | Charlestown, MD | 4.5 mi |
21901 | North East, MD | 5.6 mi |
21005 | Aberdeen Proving Ground, MD | 6.0 mi |
21001 | Aberdeen, MD | 8.0 mi |
21917 | Colora, MD | 8.4 mi |
21130 | Perryman, MD | 8.6 mi |
21028 | Churchville, MD | 9.9 mi |
Find every ZIP code within 10 miles of 21902 →
Questions about this ZIP code
Where is ZIP code 21902?
21902 is in Perry Point, Maryland, in Cecil County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.5524, -76.0638.
What county is 21902 in?
21902 lies in Cecil County.
What area code is 21902?
Perry Point uses area codes 443, 667 and 410, from NANPA's telephone records.
What time zone is 21902 in?
21902 uses America/New_York.
How many people live in 21902?
About 340 people live in ZIP code 21902, in 66 households, at 392.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 21902?
The closest are 21903 (1.8 mi), 21078 (4.2 mi), 21904 (4.4 mi), 21914 (4.5 mi) and 21901 (5.6 mi).
Is 21902 a PO Box ZIP code?
21902 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21902 ZIP Code — Perry Point, Maryland (Cecil County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21902
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21902.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.