Catonsville, MD Area Codes
Catonsville is served by area codes 410, 443 and 667. It is in Maryland, Baltimore County. About 50,492 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 410, 443, 667 |
| State / province | Maryland |
| County | Baltimore County |
| Population | 50,492 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.2729, -76.7477 |
What area code is Catonsville in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 410 | Maryland | 3,326,477 | — |
| 443 | Maryland | 3,254,789 | Yes |
| 667 | Maryland | 3,326,477 | Yes |
ZIP codes in the code footprint
Nearby towns and their area codes
Gwynn Oak 410, 443, 667Halethorpe 410, 443, 667Windsor Mill 410, 443, 667Elkridge 410, 443, 667Linthicum Heights 410, 443, 667Baltimore 410, 443, 667Ellicott City 410, 443, 667Hanover 410, 443, 667
How to dial
Dial 410 + 7 digits for a number in Catonsville, or +1 410 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.