ZIP Code 20689 Area Code
Sunderland, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 20689 |
|---|---|
| City | Sunderland |
| State | Maryland (MD) |
| County | Calvert |
Frequently Asked Questions
ZIP code 20689 is in Sunderland, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 20689 is in Sunderland, Maryland.