Get a Denver phone number for your business

Build genuine trust with clients from LoDo to the Rockies using a local number, while our AI-native phone system automatically logs calls and writes your CRM notes.

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Get a Denver phone number

Establish Local Trust

People answer the phone when they recognize the area code.
By dialing from a 303 or 720 number, you instantly signal to Front Range prospects that you are a part of their community.

Build A Genuine Presence

You do not need a physical office near Union Station to grow your customer base in Colorado.
A local number gives your business instant credibility and makes it easier for potential buyers to reach out to a familiar, local business.

Keep Your Personal Cell Private

Running a business should not mean giving up your personal privacy.
With the Allo mobile app, you can seamlessly manage your business calls from your existing smartphone while keeping your personal number completely separate.

Supercharge Your Workflow With AI

Stop losing deals to administrative work and manual data entry.
With our AI phone system, every call is recorded, transcribed, and synced directly to your CRM automatically so your team can focus entirely on selling.

How to Get your Denver phone number with Allo

Create your Allo account

Go to the signup page and enter your details. We offer a 7-day free trial to let you test your new number and all the options that come with it.

Select your phone number

Pick your state, city and area code. We then generate the virtual phone number based on your preferences

Adjust your settings

Once you’ve been assigned a number, you can start configuring your account (voicemail, business hours, etc.)

Make the most of your Denver number

Get all the power of an AI phone system bundled with your local number.

Get AI call summaries and more

Get your calls answered by our AI answering service when you’re busy, leverage our AI IVR to redirect your calls to the right person, receive a call transcript and AI-generated summaries when your calls finish, get help with your email drafts, and more.

Communicate without limits

Your phone number comes with unlimited calls and text messages to US numbers.

Call in HD

Our AI spam filter keeps known telemarketers away while the whisper mode lets you filter inbound calls.

Collaborate easily

Add teammates, assign or share numbers, and track everything in one place.

What Denver area codes are available?

  • 303: covers Denver, Boulder, and the surrounding central Colorado area
  • 720: covers the same Denver metropolitan area as an overlay to 303
  • 983: covers the newest additions to the Denver and Front Range region
At a
price.

Allo gives you exactly what you need, without paying for what you don’t. Powerful features, reliable calls, and a simple price. And yes, no hidden fees.

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Frequently Asked Questions about phone Numbers inDenver

Where is the area code 213?

For small businesses, solopreneurs, and mobile-first teams, Allo provides advanced call handling, AI features, and better integration options, making it a better alternative to Google Voice.

What’s the timezone associated with the 213 area code?

Allo’s Business Plan offers 3 users for $35/month, providing excellent value compared to Google Voice’s $10 per user/month (with Google Workspace requirements).

Do I need a physical address in Los Angeles to purchase a phone number with a 213 prefix?

Yes! Allo supports international coverage across Europe and North America, unlike Google Voice, which limits its services to the US and Canada.

Will people know where I’m actually calling from?

No, Allo does not offer a free plan. However, Google Voice does offer a free plan linked to a Gmail account. Allo's pricing plans provide comprehensive features at affordable rates, making them ideal for SMBs seeking value.