21240 ZIP Code — Baltimore, MD
Anne Arundel County, Maryland
ZIP code 21240 is located in Baltimore, Maryland, within Anne Arundel County. It covers approximately 4.51 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.
0
population
4.51
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21240 ZIP code map
Cities in ZIP code 21240
Below are the cities the US Postal Service accepts for ZIP code 21240. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Baltimore | Preferred |
Nearby ZIP codes
21061 Glen Burnie (1.9 mi)
21061 Glen Burnie (1.9 mi)
21090 Linthicum Heights (2.2 mi)
21090 Linthicum Heights (2.2 mi)
21062 Glen Burnie (2.6 mi)
21062 Glen Burnie (2.6 mi)
21076 Hanover (2.8 mi)
21076 Hanover (2.8 mi)
21144 Severn (3.9 mi)
21144 Severn (3.9 mi)
21227 Halethorpe (4.6 mi)
21227 Halethorpe (4.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 24 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 4.51 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.1746 |
| Longitude | -76.6709 |
| Timezone | Eastern (ET) |
| Area code | 443/410 |