ZIP code 21240: Baltimore, MD
21240 is a ZIP code in Baltimore, Maryland, mainly in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metro area.
- Population
- 0
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- —of occupied homes
Shaded: ZIP code 21240's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21240 details
| City | Baltimore |
|---|---|
| State | Maryland |
| County | Anne Arundel County |
| Metro area | Baltimore-Columbia-Towson, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 4.5 sq mi |
| Center coordinates | 39.17483, -76.67180 |
ZIP codes near 21240
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21077 | Harmans, MD | 1.9 mi | 63 |
| 21061 | Glen Burnie, MD | 2.3 mi | 57,230 |
| 21090 | Linthicum Heights, MD | 2.4 mi | 10,652 |
| 21076 | Hanover, MD | 2.8 mi | 24,268 |
| 21144 | Severn, MD | 3.8 mi | 37,118 |
| 21227 | Halethorpe, MD | 4.5 mi | 34,907 |
| 21225 | Brooklyn, MD | 4.6 mi | 34,062 |
| 21075 | Elkridge, MD | 4.7 mi | 37,363 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 21240
What city is ZIP code 21240?
ZIP code 21240 is in Baltimore, MD, in Anne Arundel County.
What county is ZIP code 21240 in?
21240 is mainly in Anne Arundel County, Maryland.
What time zone is ZIP code 21240 in?
21240 is in Eastern Time (UTC−5). It observes daylight saving time.
What other ZIP codes does Baltimore have?
Baltimore, MD also uses 21201, 21202, 21203, 21205, 21206, 21209, 21210, 21211, 21212, 21213, 21214, 21215, 21216, 21217, 21218, 21223, 21224, 21229, 21230, 21231, 21233, 21235, 21239, 21241, 21250, 21251, 21263, 21264, 21270, 21273, 21275, 21278, 21279, 21280, 21281, 21287, 21288, 21289, 21290, 21297 and 21298.