ZIP Code 21661 Area Code
Rock Hall, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21661 |
|---|---|
| City | Rock Hall |
| State | Maryland (MD) |
| County | Kent |
Frequently Asked Questions
ZIP code 21661 is in Rock Hall, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21661 is in Rock Hall, Maryland.