Gwynn Oak, MD Area Codes
Gwynn Oak is served by area codes 410, 443 and 667. It is in Maryland, Baltimore County. About 47,099 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 410, 443, 667 |
| State / province | Maryland |
| County | Baltimore County |
| Population | 47,099 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.3242, -76.7195 |
What area code is Gwynn Oak 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
Windsor Mill 410, 443, 667Pikesville 410, 443, 667Catonsville 410, 443, 667Baltimore 410, 443, 667Randallstown 410, 443, 667Halethorpe 410, 443, 667Owings Mills 410, 443, 667Towson 410, 443, 667
How to dial
Dial 410 + 7 digits for a number in Gwynn Oak, or +1 410 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.