301-375-2488 Caller id and 301 Area Code


Have you got a call from 301-375-2488? Are you confused about the area code and who is calling from where? Read the article until the end to learn about the caller id and area code 301.

301 Area Code

The 301 area code is a telephone area code serving the western and central parts of Maryland in the United States. The 301 area code was established under the North American Numbering Plan (NANP) in 1947.

It covered the entire state of Maryland. However, in 1991, the area code was split, and the eastern portion of the state, including the city of Baltimore, was assigned the new 410 area code.

Starting November 9, 2021, a new area code will be assigned in DC. Your current phone number will not change. If you get a new phone number, it may have the 771 area code. Regardless, you need to dial the area code when making a call.

Maryland History

Maryland has a rich history dating back to the colonial era. The 301 area code has many historic sites and landmarks worth visiting.

Maryland is home to the Chesapeake Bay and is known for blue crabs and the city of Baltimore. Baltimore is a major historic trading port and the birthplace of the national anthem. Maryland became a state in 1788 and was the seventh to ratify the U.S. Constitution. The Battle of Antietam was held in Maryland in 1862 and is the bloodiest one-day battle in the nation’s history.

Today, Maryland has more than 60 federal agencies and employs a large percentage of federal workers. The state has a $57 billion military industry with the Walter Reed National Military Medical Center.

The 301 area code has a diverse range of cultural attractions. There are exhibitions and educational programs in the Strathmore Arts Center throughout the year. The BlackRock Center for the Arts in Germantown is a popular destination for music, theater, and dance performances.

Major cities covered by 301 Area Code

Today, the 301 area code covers the cities of Bethesda, Frederick, Gaithersburg, Hagerstown, Rockville, and Waldorf, among others. In addition to Maryland, the 301 area code covers portions of Washington, D.C.

Baltimore (city) County

  • Baltimore

Montgomery County

  • Germantown
  • Ashton
  • Bethesda
  • Poolesville
  • Wheaton
  • Glenmont
  • Potomac
  • Clarksburg
  • Olney
  • Colesville
  • Takoma Park
  • Damascus
  • Silver Spring
  • Gaithersburg
  • Rockville

Frederick County

  • Frederick
  • Walkersville
  • Brunswick
  • Middletown
  • Thurmont
  • Emmitsburg
  • Charles County
  • Waldorf
  • Hughesville
  • La Plata

Prince George’s County

  • Bowie
  • Chillum
  • Hillcrest Heights
  • College Park
  • Greenbelt
  • Seabrook
  • Camp Springs
  • Hyattsville
  • Langley Park
  • Oxon Hill
  • Beltsville
  • Suitland
  • Glenn Dale
  • Clinton
  • Brandywine

Washington County

  • Hagerstown
  • Hancock
  • Smithsburg
  • Clear Spring
  • Howard County
  • Scaggsville

Allegany County

  • Frostburg
  • Flintstone
  • Cumberland
  • Westernport
  • Carroll County
  • Mount Airy

St. Mary’s County

  • Leonardtown
  • Mechanicsville
  • Garrett County
  • Friendsville

301-375-2488 Caller ID

If you have a call from 301-375-2488, then it is sure the call is from Maryland. If the number is not on your contact list, it may be a scam call.

Scammers and telemarketers use spoofed numbers, which means that the number you see on your caller ID may not be the actual number from which the call is coming. If you continue to receive unwanted calls, it’s important to stay vigilant and avoid answering calls from unknown numbers.

How to block calls from 301-375-2488

If you’re receiving unwanted calls from 301-375-2488, you can block them in the following ways.

1. On a Smartphone

Add the number to your phone’s block list. Most smartphones have a built-in call-blocking feature to block specific numbers.

  • Open the Phone app
  • Tap the three-dot menu icon
  • Select “Settings”
  • Then “Blocked numbers.”
  • Add the number you want to block.

2. Use a third-party call-blocking app.

You can use any third-party app available for both iOS and Android devices. You can block unwanted calls, including 301-375-2488. Some popular apps are Truecaller, Mr. Number, and Call Blocker.

3. Contact your phone carrier.

If you continue to receive unwanted calls from 301-375-2488, you may be able to contact your phone carrier and ask them to block the number for you.


301-375-2488 calling region is dynamic and diverse. It has a wealth of attractions and experiences for visitors and residents.  Whether you’re a history buff, an outdoor enthusiast, or a foodie, the 301-area code is sure to impress.