Mount Airy, MD Area Codes
Mount Airy is served by area codes 227, 240 and 301. It is in Maryland, Frederick County. About 33,031 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 227, 240, 301 |
| State / province | Maryland |
| County | Frederick County |
| Population | 33,031 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.3949, -77.1582 |
What area code is Mount Airy in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 227 | Maryland | 2,624,790 | Yes |
| 240 | Maryland | 2,823,102 | — |
| 301 | Maryland | 2,823,102 | Yes |
ZIP codes in the code footprint
Nearby towns and their area codes
Monrovia 227, 240, 301New Market 240, 301Damascus 227, 240, 301Sykesville 410, 443, 667Clarksburg 227, 240, 301Walkersville 240, 301Frederick 227, 240, 301Finksburg 410, 443, 667
How to dial
Dial 227 + 7 digits for a number in Mount Airy, or +1 227 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.