ZIP Code 21723 Area Code
Cooksville, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21723 |
|---|---|
| City | Cooksville |
| State | Maryland (MD) |
| County | Howard |
Frequently Asked Questions
ZIP code 21723 is in Cooksville, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21723 is in Cooksville, Maryland.