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Sharing western and southern Maryland's geography with 301, the 240 area code covers Rockville, Frederick, and surrounding communities. Callers include NIH and FDA researchers and Lockheed Martin headquarters personnel.
240 area code numbers reported as unwanted calls to the FTC in the last 30 days.
| Phone Number | Complaints | Last Reported |
|---|---|---|
| (240) 249-4344 | ||
| (240) 259-3987 | ||
| (240) 647-6314 | ||
| (240) 445-3430 | ||
| (240) 232-8819 | ||
| (240) 570-5607 | ||
| (240) 213-0019 | ||
| (240) 221-1354 | ||
| (240) 680-0878 | ||
| (240) 518-4285 |
Maryland's 240 area code is being used for Social Security suspension threats and IRS arrest scams. Callers pretend to be federal agents to scare you into handing over money or personal details.
"we have received a legal affidavit to suspend your Social Security number on the media basis to get more information about this case file give us a call back on our number..."
"Person called wife saying he was with the IRS and threatened an arrest warrant would be issued if she didn't go the nearest CVS or Walgreens and get a $1000 prepay card."
"They called me and told me a lender I never heard of is looking to garnish my wages. They had my full name and social security number."
"Said they were calling from the National Institute of Health to tell me I have a $14,600 grant from the government. Wanted me to pay $200 registration fee."
"Called my father-in-law twice and told him my daughter had been in an accident and he needed to send money to take care of it or they would get the cops involved."
"Harassing Auto Warranty Scam call. I get about 30 of these a month, all from different numbers."
Area code 240 covers the western part of Maryland, including the Greater Washington, D.C. metro area, southern Maryland, and rural western Maryland.
Area code 240 is an overlay to area code 301 . Area code 301 was the original area code for the entire state of Maryland. Area code 240 was introduced on June 1, 1997. A third overlay code, 227 , was added on June 14, 2023. Ten-digit dialing is required for all calls within this region.
No, 240 is a legitimate Maryland area code covering the Washington D.C. suburbs, including Silver Spring and Waldorf. Its proximity to the capital gives it the same government-authority appeal that makes scammers want to spoof it.
SSN suspension robocalls demanding you verify the last four digits of your number to "unlock" your file are frequently reported. Fake IRS arrest warrant calls demanding prepaid card payments from CVS within 45 minutes, phantom debt collection calls, and fake National Institute of Health grant calls are also well-documented.