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Home > Area Codes > 240
240 Area Code
The 240 area code is located within the US. 240 covers this state: MD
Cities within the 240- area code include:
- Rockville
- Waldorf
- Hagerstown
- Oxon Hill
- Damascus
- Bethesda
- Beltsville
- Oakland
- Frederick
- Silver Spring
- Mount Airy
- Hyattsville
- Tall Timbers
- Gaithersburg
- Glenn Dale
- Middletown
- Cumberland
- Laurel
- Myersville
- Capitol Heights
- Ashton
Here are the carriers for 240:
- Level 3 Communications
- Southwestern Bell Mobile Systems
- Omnipoint Communications Cap Operat
- Metrocall
- Arch Wireless Holdings
- Sprint Spectrum
- Blue Licenses Holding
- Uscoc Of Cumberland Dba Unite
- Dobson Cellular Systems
- Paetec Communications Md
- Sprint Spectrum Md
- Pac West Telecomm Md
- Mte Dba Mte Paging Network
Other area codes within the same state (MD) as (240) include:
To find out who owns a specific 240 phone number, run a reverse phone search!
Additional resources:
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