Clarksburg, MD Area Codes
Clarksburg is served by area codes 227, 240 and 301. It is in Maryland, Montgomery County. About 30,182 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 227, 240, 301 |
| State / province | Maryland |
| County | Montgomery County |
| Population | 30,182 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.2589, -77.2818 |
What area code is Clarksburg 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
Damascus 227, 240, 301Boyds 227, 240, 301Montgomery Village 227, 240, 301Monrovia 227, 240, 301Germantown 227, 240, 301Gaithersburg 227, 240, 301New Market 240, 301Mount Airy 227, 240, 301
How to dial
Dial 227 + 7 digits for a number in Clarksburg, or +1 227 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.