Gibson Island ZIP Code List — Anne Arundel County, MD
There is one unique ZIP code in Gibson Island, Maryland and it is 21056. Area code: 410/667.
1
ZIP codes
1.38
sq mi land
0.25
sq mi water
410/667
area code
Gibson Island, MD ZIP code map
ZIP codes for Gibson Island, MD (1)
| ZIP code | City | County | Map |
|---|---|---|---|
| 21056 | Gibson Island | Anne Arundel | View map |