The postal code or ZIP code 21056 has Gibson Island 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 21056. 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: Gibson Island, MD
Extra Details of ZIP Code 21056
| ZIP Code | 21056 |
|---|---|
| Type | PO Box |
| Common Cities | Gibson Island |
| Country | Anne Arundel County |
| Area Code (s) | 410 |
| Population | 267 |
| Population Density | 194 people per sq mi |
| Housing Units | 230 |
| Median Home Value | $1,000,001 |
| Land Area | 1.38 sq mi |
| Water Area | 3.93 sq mi |
| Occupied Housing Units | 118 |
| Median Household Income | $226,786 |
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