What area code is Gaithersburg, MD?
| City | Gaithersburg, MD |
|---|---|
| State | Maryland |
| Area codes | 240, 301 and 227 |
| Time zone | Eastern Time |
| Phone prefixes | 80 in our data |
Look up a Gaithersburg number
Gaithersburg’s area codes
| Area code | Also covers |
|---|---|
| 240 | Silver Spring, Rockville, Bethesda and Frederick |
| 301 | Silver Spring, Bethesda, Rockville and Beltsville |
| 227 | Rockville, Bethesda, Myersville and Laurel |
Other places in area code 240
- Silver Spring, MD
- Rockville, MD
- Bethesda, MD
- Frederick, MD
- Laurel, MD
- Hagerstown, MD
- Lanham, MD
- Temple Hills, MD
- Waldorf, MD
- Olney, MD
- Beltsville, MD
- Leonardtown, MD
- Columbia, MD
- Cumberland, MD
- Bowie, MD
- Oxon Hill, MD
- California, MD
- Clinton, MD
- Myersville, MD
- Damascus, MD
- Hughesville, MD
- Brandywine, MD
- La Plata, MD
- Upper Marlboro, MD
Questions
- What is the area code for Gaithersburg, Maryland?
- Gaithersburg uses 3 area codes: 240, 301 and 227. 240 is the original or most common one, and newer numbers can be given 227 and 301.
- What time zone is Gaithersburg in?
- Gaithersburg is in Eastern Time.
- Do I need to dial the area code for a local call in Gaithersburg?
- Yes. Because Gaithersburg has more than one area code, local calls need all 10 digits: the area code plus the 7-digit number.
- How do I call Gaithersburg from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 240 XXX XXXX.