US Reverse Phone Lookup / Maryland /

240 Phone Number Lookup: Germantown, MD

Who called from a 240 number? Look up any Maryland phone number for free.

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Who Is Calling From Area Code 240?

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 Phone Numbers Recently Reported as Spam

240 area code numbers reported as unwanted calls to the FTC in the last 30 days.

Phone Number Complaints Last Reported
(240) 249-4344
4
(240) 259-3987
3
(240) 647-6314
2
(240) 445-3430
2
(240) 232-8819
2
(240) 570-5607
2
(240) 213-0019
2
(240) 221-1354
2
(240) 680-0878
2
(240) 518-4285
2

Common Area Code 240 Phone Scams

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.

Social Security Administration Aliases: None specified
Threats of frozen assets and arrest via legal affidavit to steal SSN digits.
IRS Aliases: William Martin, Jack Miller
Fake agents demand 45-minute payments of $1,000 via CVS prepay cards to avoid arrest.
Process Server / Court System Aliases: Sarah Smith
Fake collection of 20-year-old phantom debts using threats of workplace garnishment.
US Treasury / NIH Grants Aliases: Marlin Scott
Claims of $14,566 grants requiring a $200 eBay gift card registration fee.
Family / Seniors Aliases: None specified
Fake frantic accident stories demanding immediate bail money in gift cards.
Vehicle Warranty Services Aliases: None specified
Mass robocall blitzes offering $1,000 rebates to sell overpriced auto repair contracts.

User Reports

Social Security Administration

"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..."

IRS

"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."

Process Server / Court System

"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."

US Treasury / NIH Grants

"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."

Family / Seniors

"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."

Vehicle Warranty Services

"Harassing Auto Warranty Scam call. I get about 30 of these a month, all from different numbers."

Where is area code 240 located?

Area code 240 covers the western part of Maryland, including the Greater Washington, D.C. metro area, southern Maryland, and rural western Maryland.

Counties Served:

  • Allegany County
  • Charles County
  • Garrett County
  • Montgomery County
  • Prince George's County
  • St. Mary's County
  • Washington County
  • Frederick County (most of)
  • Howard County (western)
  • Carroll County (slivers of southwestern)
  • Anne Arundel County (western slivers)

Major Cities:

  • Frederick
  • Gaithersburg
  • Rockville
  • Bethesda
  • Silver Spring
  • Hagerstown
  • Cumberland
  • Germantown
  • Potomac
  • Landover
  • Waldorf

Other Cities and Towns:

  • Laurel
  • Marlboro (Upper Marlboro)
  • Mount Airy

Overlay System

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.

FAQs About 240 Phone Numbers

Is area code 240 a scam?

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.

Why do I get spam calls from area code 240?

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.