The postal code or ZIP code 21057 has Glen Arm as common cities which are accepted by the US Post Office for this ZIP Code. The ZIP code may be located out ot the preferred city. Post office name is usually the city name for 21057. You are advised to add your ZIP code preffered or acceptable cities for mailing a letter etc. If you use an unacceptable city for your mailing you will end up getting delays.
Primary / Preferred City: Glen Arm, MD
Extra Details of ZIP Code 21057
| ZIP Code | 21057 |
|---|---|
| Type | Standard |
| Common Cities | Glen Arm |
| Country | Baltimore County |
| Area Code (s) | 410 |
| Population | 4112 |
| Population Density | 245 people per sq mi |
| Housing Units | 1,695 |
| Median Home Value | $447,900 |
| Land Area | 16.8 sq mi |
| Water Area | 0.48 sq mi |
| Occupied Housing Units | 1,578 |
| Median Household Income | $103,448 |
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