What area code is Upper Marlboro, MD?
| City | Upper Marlboro, MD |
|---|---|
| State | Maryland |
| Area codes | 301, 240 and 227 |
| Time zone | Eastern Time |
| Phone prefixes | 18 in our data |
Look up a Upper Marlboro number
Upper Marlboro’s area codes
| Area code | Also covers |
|---|---|
| 301 | Silver Spring, Bethesda, Rockville and Beltsville |
| 240 | Silver Spring, Rockville, Bethesda and Frederick |
| 227 | Rockville, Bethesda, Myersville and Laurel |
Other places in area code 301
- Silver Spring, MD
- Bethesda, MD
- Rockville, MD
- Beltsville, MD
- Lanham, MD
- Frederick, MD
- Temple Hills, MD
- Gaithersburg, MD
- Waldorf, MD
- Laurel, MD
- Bowie, MD
- Hagerstown, MD
- Oxon Hill, MD
- Cumberland, MD
- California, MD
- Clinton, MD
- Myersville, MD
- Leonardtown, MD
- Oakland, MD
- Olney, MD
- Germantown, MD
- Damascus, MD
- Brandywine, MD
- Bryans Road, MD
Questions
- What is the area code for Upper Marlboro, Maryland?
- Upper Marlboro uses 3 area codes: 301, 240 and 227. 301 is the original or most common one, and newer numbers can be given 227 and 240.
- What time zone is Upper Marlboro in?
- Upper Marlboro is in Eastern Time.
- Do I need to dial the area code for a local call in Upper Marlboro?
- Yes. Because Upper Marlboro has more than one area code, local calls need all 10 digits: the area code plus the 7-digit number.
- How do I call Upper Marlboro from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 301 XXX XXXX.