USA Area Codes
Area Code Catonsville 410
Area Code: The city of Catonsville is located in the state of Maryland (Baltimore county). Annapolis is the state capital of Maryland. The area code of Catonsville is 410. For local calls is no area code required.
If you want to call from Annapolis to Catonsville you have to dial +1 410 and the telephone number of the person you want to reach.
List of Cities located close to Catonsville:
| Area | Area Code |
|---|---|
| Baltimore | 410 |
| Halethorpe | 410 |
Last change: 23.04.2007
