Riderwood, MD zip code
Riderwood, Maryland uses one zip code: 21139. Most of it is in Baltimore County.
Zip codes
1
Population
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All zips combined
Zip codes in Riderwood
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21139 · PO box | — | — |
Riderwood, Maryland uses one zip code: 21139. Most of it is in Baltimore County.
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21139 · PO box | — | — |