21233
ZIP 21233 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
- 39.2925, -76.6050
Weather right now
Asking the National Weather Service…
Where 21233 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 21233 into a pocket calculator and turn it upside down: EEZIZ — not quite a word, sorry.
- ➕ As a number, 21,233 = 17 × 1249. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101001011110001 - 🏠 Its numerical neighbours: 21231 (Baltimore, MD, 1 mi away) and 21234 (Parkville, MD, 8 mi away).
- 🔄 Backwards, 21233 becomes 33212, which is not a ZIP code at all.
- 👥 14 other ZIP codes are made of exactly the same digits (12233, 13322, 22313, 22331, 23123, 23231, …). The farthest-flung twin is 33122 in Miami, FL, 956 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 83%.
- 🎯1,168 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21233 and you would come out at 39.29°S, 103.40°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 0.028 square miles of land, 21233 is bigger than 0% of ZIP codes — about 14 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 | 4This ZIP4 |
|---|---|
| Employees | 23This ZIP23 |
| Annual payroll | $1,722,000This ZIP$1,722,000 |
Land area
| Land area | 0.03 sq miThis ZIP0.03 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21233
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21233
| ZIP | City | Distance |
|---|---|---|
21202 | Baltimore, MD | 0.4 mi |
21231 | Baltimore, MD | 0.7 mi |
21201 | Baltimore, MD | 0.9 mi |
21203 | Baltimore, MD | 1.0 mi |
21235 | Baltimore, MD | 1.0 mi |
21241 | Baltimore, MD | 1.0 mi |
21263 | Baltimore, MD | 1.0 mi |
21264 | Baltimore, MD | 1.0 mi |
21270 | Baltimore, MD | 1.0 mi |
21273 | Baltimore, MD | 1.0 mi |
Find every ZIP code within 10 miles of 21233 →
Questions about this ZIP code
Where is ZIP code 21233?
21233 is in Baltimore, Maryland, in Baltimore city, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.2925, -76.6050.
What county is 21233 in?
21233 lies in Baltimore city.
What area code is 21233?
Baltimore uses area codes 410, 443 and 667, from NANPA's telephone records.
What time zone is 21233 in?
21233 uses America/New_York.
How many people live in 21233?
About 0 people live in ZIP code 21233. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 21233?
The closest are 21202 (0.4 mi), 21231 (0.7 mi), 21201 (0.9 mi), 21203 (1 mi) and 21235 (1 mi).
Is 21233 a PO Box ZIP code?
21233 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21233 ZIP Code — Baltimore, Maryland (Baltimore City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21233
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21233.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.