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Get a Virtual Phone Number for Denver, Colorado

Denver, your Ninja is waiting.
Get a second phone line for your business - on your cellphone.

Keep Your Work and Personal Life Separate, but Together

Ninja Number goes where you go, so you can always be available if you need to, but still take your family out to dinner without worrying about missing a call.

Just like a Ninja, we work behind the scenes to take care of your calls if you aren’t able to.


Link Up to 5 Phones

Collaborate with your team to answer phone calls and texts. Ninja Number can link up to 5 different phones to your business number, so if you’re busy, someone else on your team will respond.

Linking phones also allows you to go back and find out who answered a specific call or text - great for gathering more information or audit tracking.



If you can't respond, we can do it for you.

Trapped in a meeting and can’t leave to answer a call? Return voicemails via text, or customize answers to frequently asked questions.

Through our auto-reply feature, we use artificial intelligence to recognize questions asked by callers by text message or voicemail transcription and reply with your answers.


Additional Features Included:


Hold all calls and let them go directly to voicemail.


Ninja Number reminds you when you’ve missed a call. View all your unanswered calls from the home screen.

Call Tracking
Call Tracking

Mark each call according to who they are - inquiry, initial contact, customer or VIP - so you can prioritize what calls to return.

Multiple Extensions
Multiple Extensions

Turn your Ninja Number into a true phone system with extensions for each employee or department, allowing your business the flexibility to grow.


Get detailed data on your calls and messages so you can make better decisions about your business.

Get any number
Get Any Number

Choose from local, toll-free or vanity numbers. You can even transfer an existing number to Ninja Number.

Denver, Colorado - Facts & Figures

  • What Denver business area codes does Ninja Number offer? Ninja Number offers all Metro Denver area codes to provide a local feel for businesses of all sizes.
  • Is it better to have a toll free number or a local Denver number? Great question! It really depends on your business and how you want to be perceived. Do you want local credibility or a bigger, more national presence? Once you decide, simply select your plan and phone number and let our Ninjas set it up, and start separating your business life from your personal life.
  • Will my Denver Ninja Number use the data from my carrier? Isn’t that like paying twice? Nope! Nada! Ninja Number uses the same cellular connections as your regular calls to transfer calls to your Ninja Number instead of VoIP. So, wherever you are in Denver, your call quality will be crystal clear and your data will be reserved for other business (or personal) use.
  • Can I transfer a local Denver number from another service provider to Ninja Number? Yes, we can transfer your business phone number over to Ninja Number quickly and easily, no matter what the area code is. As long as you have a US-based phone number, we can work with you to begin the transfer process for your business.

Denver is nicknamed the Mile-High City because its elevation is exactly one mile (5,280 feet) above sea level. Denver's geographic location plays a strong role in the city's economy due to its connection to some of the major transportation systems in the country. Denver is the largest city within a 500-mile radius, positioning it as a strong location for distribution and storage of goods and services to the Mountain states, Southwestern states, and Western states. Colorado has the nation's second-largest aerospace economy. It is home to four military commands, eight major space contractors, and 400+ aerospace companies and suppliers. Of the 50 largest metros in the country, metro Denver ranks second for total private aerospace workers with 19,500 people employed at aerospace companies.

  • Population: 619,968
  • Industries: Financial Services, Energy, Healthcare & Wellness, Broadcasting & Telecommunications, Information Technology-Software, Aviation, Aerospace
  • Area Codes: 303, 720
  • ZIP Codes: 80201, 80226, 80257, 80251, 80294, 80219
  • Surrounding Cities: Arvada, Boulder, Broomfield, Castle Rock, Central City, Coal Creek Canyon, Elbert, Elizabeth, Englewood, Erie, Evergreen, Frederick, Golden, Idaho Springs, Kiowa, Lakewood, Larkspur, Littleton, Lookout Mountain, Morrison, Nederland, Northglenn, Parker, Table Mesa, Ward, Westminster

Here are some more cities in Colorado where we offer service!

Denver, get your Ninja working for you right away.


Try Ninja Number free for 7 days. Instant activation – no contracts, and all features included!

We guarantee that Ninja Number will help grow your business. If you don’t believe Ninja Number can help grow your business and make more money, just cancel your service and that month’s payment is on us!!