ZIP Code 21810 Area Code
Allen, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21810 |
|---|---|
| City | Allen |
| State | Maryland (MD) |
| County | Wicomico |
Frequently Asked Questions
ZIP code 21810 is in Allen, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21810 is in Allen, Maryland.