Upper Marlboro, MD Area Codes
Upper Marlboro is served by area codes 227, 240 and 301. It is in Maryland, Prince George's County. About 106,135 people live in its 5 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 227, 240, 301 |
| State / province | Maryland |
| County | Prince George's County |
| Population | 106,135 |
| ZIP codes | 5 |
| Time zone | Eastern |
| Coordinates | 38.8244, -76.7828 |
What area code is Upper Marlboro 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
20772, 20773, 20774, 20775, 20792
Nearby towns and their area codes
District Heights 227, 240, 301Bowie 227, 240, 301Capitol Heights 227, 240, 301Lanham 227, 240, 301Suitland 227, 240, 301Riverdale 227, 240, 301Clinton 227, 240, 301Fort Washington 227, 240, 301
How to dial
Dial 227 + 7 digits for a number in Upper Marlboro, or +1 227 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.