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About Maryland Area Code 240

The 240 area code includes Maryland cities Aspen Hill, Bethesda, Bowie, Brunswick, College Park, Cumberland, Frederick, Gaithersburg, Golden Beach, Greenbelt, Hagerstown, Hyattsville, Laurel, Lexington Park, Montgomery Village, New Carrollton, Potomac, Rockville, St. Charles, St. Marys City, Silver Spring, Wheaton, suburbs of D.C..

Nearby area codes are 202, 301, 304, 410, 443, 540, 571, 667, 703, 717, 804 and 814.
Search for a phone number:
Example: 240-555-5555

240 Area Code Exchanges 100-153:

240-100-xxxx    240-101-xxxx    240-102-xxxx    240-103-xxxx    240-104-xxxx    240-105-xxxx    240-106-xxxx    240-107-xxxx    240-108-xxxx    240-109-xxxx    240-110-xxxx    240-111-xxxx    240-112-xxxx    240-113-xxxx    240-114-xxxx    240-115-xxxx    240-116-xxxx    240-117-xxxx    240-118-xxxx    240-119-xxxx    240-120-xxxx    240-121-xxxx    240-122-xxxx    240-123-xxxx    240-124-xxxx    240-125-xxxx    240-126-xxxx    240-127-xxxx    240-128-xxxx    240-129-xxxx    240-130-xxxx    240-131-xxxx    240-132-xxxx    240-133-xxxx    240-134-xxxx    240-135-xxxx    240-136-xxxx    240-137-xxxx    240-138-xxxx    240-139-xxxx    240-140-xxxx    240-141-xxxx    240-142-xxxx    240-143-xxxx    240-144-xxxx    240-145-xxxx    240-146-xxxx    240-147-xxxx    240-148-xxxx    240-149-xxxx    240-150-xxxx    240-151-xxxx    240-152-xxxx    240-153-xxxx    
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