21287
ZIP 21287 is in Baltimore, Maryland, in Baltimore City; area codes 410, 443 and 667; Eastern time. Baltimore has 42 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Baltimore city
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 0
- Coordinates
- 39.2992, -76.5883
Weather right now
Asking the National Weather Service…
Where 21287 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 21287 into a pocket calculator and turn it upside down: LBZIZ — not quite a word, sorry.
- ➕ As a number, 21,287 = 7 × 3041. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001100100111 - 🏠 Its numerical neighbours: 21286 (Towson, MD, 8 mi away) and 21288 (Baltimore, MD, 2 mi away).
- 🔄 Backwards, 21287 becomes 78212 — and that is a real ZIP code: San Antonio, TX, 1,417 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (12827, 12872, 17228, 17822, 21278, 21782, …). The farthest-flung twin is 87122 in Albuquerque, NM, 1,661 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 83%.
- 🎯1,169 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21287 and you would come out at 39.30°S, 103.41°E — 863 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 0.003 square miles of land, 21287 is bigger than 0% of ZIP codes — about 1 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 17This ZIP17 |
|---|---|
| Employees | 11,017This ZIP11,017 |
| Annual payroll | $940,876,000This ZIP$940,876,000 |
Land area
| Land area | 0.00 sq miThis ZIP0.00 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21287
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21287
| ZIP | City | Distance |
|---|---|---|
21231 | Baltimore, MD | 0.8 mi |
21233 | Baltimore, MD | 1.0 mi |
21202 | Baltimore, MD | 1.0 mi |
21213 | Baltimore, MD | 1.2 mi |
21205 | Baltimore, MD | 1.3 mi |
21201 | Baltimore, MD | 1.8 mi |
21290 | Baltimore, MD | 1.9 mi |
21203 | Baltimore, MD | 2.0 mi |
21235 | Baltimore, MD | 2.0 mi |
21241 | Baltimore, MD | 2.0 mi |
Find every ZIP code within 10 miles of 21287 →
Questions about this ZIP code
Where is ZIP code 21287?
21287 is in Baltimore, Maryland, in Baltimore city, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.2992, -76.5883.
What county is 21287 in?
21287 lies in Baltimore city.
What area code is 21287?
Baltimore uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21287 in?
21287 uses America/New_York.
How many people live in 21287?
About 0 people live in ZIP code 21287. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 21287?
The closest are 21231 (0.8 mi), 21233 (1 mi), 21202 (1 mi), 21213 (1.2 mi) and 21205 (1.3 mi).
Is 21287 a PO Box ZIP code?
21287 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21287 ZIP Code — Baltimore, Maryland (Baltimore City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21287
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21287.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.