Telephone Area 240. Page 6.
Prefix: +1240
This prefix is distributed within the state Maryland
The largest city in the region is Gaithersburg
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-240-...-.... Maryland Gaithersburg.
In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.
Phone numbers +1-240-YYY-YYYY
| Company | District | Major City | Prefix |
|---|---|---|---|
| Sprint Spectrum L.p. | Prince George's | Beltsville, MD | +1-240988-SSSS |
| Xo Maryland | Charles | Indian Head, MD | +1-240993-SSSS |
| Cellco Partnership DBA Verizon Wireless | Montgomery | Rockville, MD | +1-240994-SSSS |
| Cellco Partnership DBA Verizon Wireless | Montgomery | Silver Spring, MD | +1-240997-SSSS |
