ZIP Code 21231 Area Code
Baltimore, Maryland
Area Code
301, 410, 443
Primary area codes for Maryland (per-ZIP data not available)
Location
| ZIP Code | 21231 |
|---|---|
| City | Baltimore |
| State | Maryland (MD) |
| County | Baltimore (city) |
Frequently Asked Questions
ZIP code 21231 is in Baltimore, Maryland. The primary area codes for Maryland are 301, 410, 443.
ZIP code 21231 is in Baltimore, Maryland.