ZIP code 21139: Riderwood, MD
21139 is a PO Box or single-organization ZIP code in Riderwood, Maryland, mainly in Baltimore County, part of the Baltimore-Columbia-Towson, MD metro area.
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21139 details
| City | Riderwood |
|---|---|
| State | Maryland |
| County | Baltimore County |
| Metro area | Baltimore-Columbia-Towson, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | PO Box / single organization |
| Center coordinates | 39.40930, -76.64860 |
ZIP codes near 21139
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21204 | Towson, MD | 1.2 mi | 19,845 |
| 21022 | Brooklandville, MD | 1.5 mi | — |
| 21093 | Lutherville Timonium, MD | 2.0 mi | 39,100 |
| 21252 | Towson, MD | 2.2 mi | 4,865 |
| 21285 | Towson, MD | 2.3 mi | 3 |
| 21209 | Baltimore, MD | 2.5 mi | 30,126 |
| 21284 | Towson, MD | 2.6 mi | — |
| 21153 | Stevenson, MD | 2.8 mi | 456 |
About ZIP code 21139
What city is ZIP code 21139?
ZIP code 21139 is in Riderwood, MD, in Baltimore County.
What county is ZIP code 21139 in?
21139 is mainly in Baltimore County, Maryland.
Why doesn't 21139 have a population?
21139 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.
What time zone is ZIP code 21139 in?
21139 is in Eastern Time (UTC−5). It observes daylight saving time.