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Need a virtual presence in Denver County, Colorado?

Get a 720 number through MySecondLine now.

Connect with locals as if you're right there.

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Why Use MySecondLine for a 720 Number?

Skip the Trip

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

Private Contact Security

Protect your personal contact information with a dedicated second number for public use.

On-Demand Number Changes

Replace your current number with a new one in moments.

720 Area Code Details

720 Area Code: A Piece of Denver City History

The 720 area code was created in the early 2000s as a split from the original 303 area code that once covered all of Denver. Today, 720 is exclusively tied to Denver County, located in the heart of Colorado. It covers iconic neighborhoods like:

Denver – the bustling heart of the city

Aurora – a diverse suburban community

Lakewood – known for its parks and recreation

Boulder – a vibrant college town with a thriving cultural scene

Littleton – offering a blend of small-town charm and urban conveniences.

For generations, 720 has represented Colorado pride, offering the best of urban life with fast access to all local attractions.

The 720 area code operates in the Mountain Time Zone (MT)–the same time zone as Denver. 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 720 number means you’re aligned with Mountain Standard Time (MST) in winter and Mountain Daylight Time (MDT) in summer.

Areas Served by the 720 Code

The 720 area code covers all of Denver County, including:

Denver

Aurora

Lakewood

Boulder

Littleton

and many more.

Why Get a 720 Area Code Number

Getting a 720 number gives your calls a familiar, local presence in one of Colorado’s busiest urban 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

  • Get a area number in seconds
  • No need for additional hardware or SIMs
  • Keeps your personal number completely separate
  • Budget-friendly options beginning at $14.99

All Your Essential Features

Everything you need in one powerful solution

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Personalized digits

Get a memorable personalized phone number, e.g. 323-CHA-RLES

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Available whenever you need it

Your virtual phone works around the clock across all locations

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Spam Call Blocking

Automatically filter out spam and unwanted calls

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Set phone call greeting

Set up a custom welcome for your callers

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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

Full SMS capabilities for your virtual number

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Global texting

Global texting with your second line

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Call Recording

Record important calls for quality assurance or future reference

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Message recording

Record and receive audio messages with ease

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Call forwarding

Forward your second line calls to your main phone

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Appointment calls

Set up future calls at your convenience

How to get a 720 from MySecondLine

1
Step 1

Start by signing up with MySecondLine. Opt for 'Choose a Custom Phone Number' and decline the minimal features option.

2
Step 2

Next, pick 'United States' from the country list and proceed by clicking 'Continue'.

3
Step 3

Finally, input your desired area code, proceed, then pick your preferred number and subscribe to a suitable plan.

Trusted by over 2 million happy users
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Star Rating
"Having a virtual phone number has been a game-changer for me, especially for online shopping and food delivery, as I can keep my personal number safe while still getting updates easily. It also makes it so much simpler to interact with new people on dating apps without a worry."
Olivia White
Olivia White

Commercial Consultant • Massachusetts, USA