Derwood, MD Area Codes
Derwood is served by area codes 227, 240 and 301. It is in Maryland, Montgomery County. About 17,279 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 227, 240, 301 |
| State / province | Maryland |
| County | Montgomery County |
| Population | 17,279 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.1370, -77.1318 |
What area code is Derwood 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
Olney 227, 240, 301Rockville 227, 240, 301Gaithersburg 227, 240, 301Montgomery Village 227, 240, 301Potomac 227, 240, 301Germantown 227, 240, 301Kensington 227, 240, 301Bethesda 227, 240, 301
How to dial
Dial 227 + 7 digits for a number in Derwood, or +1 227 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.