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Need a local phone number in Montgomery County, Maryland?

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Why Use MySecondLine for a 301 Number?

Skip the Trip

Establish your local number from the comfort of your current location, wherever that may be.

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301 Area Code Details

301 Area Code: A Piece of Montgomery County History

The 301 area code was created in 1951 as a split from the original 212 that once covered all of New York. Today, 301 is exclusively tied to Montgomery County, Maryland. It covers iconic neighborhoods like:

Silver Spring – a vibrant suburban area

Rockville – the county seat with a rich history

Gaithersburg – known for its diverse community

For generations, 301 has represented Maryland pride, offering the best of suburban life with fast access to Washington, D.C.

The 301 area code operates in the Eastern Time Zone – the same time zone as Montgomery County. This is important for businesses and professionals who need to stay in sync with local clients, suppliers, and partners. Whether you’re scheduling calls, running local ads, or managing customer support, having a 301 number means you’re aligned with Eastern Standard Time (EST) in winter and Eastern Daylight Time (EDT) in summer.

Areas Served by the 301 Code

The 301 area code covers all of Montgomery County, Maryland, including:

Silver Spring

Rockville

Gaithersburg

and many more.

Why Get a 301 Area Code Number

Getting a 301 number gives your calls a familiar, local presence in one of Maryland’s busiest regions. It’s perfect for real estate agents, freelancers, remote workers, and anyone who wants to appear local while staying flexible.

Why MySecondLine Beats the Alternatives

  • Immediate access to premium area numbers
  • No SIM card required - completely digital
  • Your primary number remains unchanged
  • Affordable plans starting at just $14.99/month

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Personalized digits

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Dialing capability

Connect with anyone nationwide through clear voice calls

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Overseas calls

Make overseas calls directly from your second number

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Mobile texting

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Global texting

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Call Recording

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Voice messages

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Redirect calls

Never miss a call with flexible forwarding options

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Appointment calls

Set up future calls at your convenience

How to get a 301 from MySecondLine

1
Step 1

Step one involves setting up your account. Select 'Pick Your Perfect Number' and ensure you choose the full feature set when prompted.

2
Step 2

Identify the United States in the country selection and confirm your choice to move ahead.

3
Step 3

Complete the process by entering your area code preference, browsing available numbers, and selecting your subscription.

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"Having a virtual phone number for my dating apps has really helped keep my personal number safe while I explore new connections. It's super convenient for signing up for food delivery services without worrying about privacy."
Mia Thomas
Mia Thomas

Commercial Consultant • Washington, USA