Understanding Colorado Dialing Codes for Business & Personal Use

If you’re looking to expand your business into Colorado, understanding the Colorado area code system is essential. This blog explains how to get a Colorado virtual number and why check here it matters.

Colorado Area Codes Map

Colorado has four main area codes covering different parts of the state. These are the codes 303, 720, 719, and 970.

Breakdown of CO Phone Codes

• 303 Area Code – Covers Denver and Boulder
• 720 Area Code – Also covers the Denver area
• 719 Area Code – Colorado Springs and southern CO
• 970 Area Code – Serves cities in Northern Colorado

Which Cities Use Which CO Area Code?

• Aurora – 303, 720
• Colorado Springs – 719
• Fort Collins – 970
• Pueblo – 719

Why Are There Multiple Area Codes in Colorado?

The demand for new numbers due to business expansion led to the need for new codes such as 720. Read more on Wikipedia.

What is the 303 Area Code?

303 is assigned in 1947 for Denver and Boulder. It's now shared with its overlay 720.

How Overlay Area Codes Work in Colorado

An overlay area code, like 720 over 303, allows the expansion of service without disrupting existing lines. Learn more on FCC.gov.

Buy a Colorado Area Code for Business

Businesses can get a VoIP Colorado number to build trust with local clients. Services like Bling’s virtual phone number platform make setup easy.

Colorado VoIP Providers

Modern businesses use VoIP phone services to assign local Colorado numbers to sales or support teams. It’s cost-effective and flexible.

Professional Phone Setup in Colorado

To fully manage calls and teams, choose a business phone system that supports routing, voicemail, SMS, and extensions – ideal for companies targeting Colorado.

Look Up a CO Phone Number

Use tools like AreaCodeLocations.info, AllAreaCodes, or NANPA to identify or verify area codes.

Benefits of Local vs 800 Numbers

Local CO numbers like 303 or 970 tend to get higher response rates than toll-free numbers. Use a Colorado business phone number to increase conversions.

Who Uses CO Area Codes?

• Sales and outbound calls
• Customer service or support lines
• SMS-based marketing campaigns
• Remote work call routing

Set Up a VoIP Line in Colorado

Choose cloud-based phone systems from Bling.cloud,RingCentral, Nextiva, or Twilio if you want scalable solutions for Colorado-based numbers.

FAQs About Colorado Area Codes

What cities use the 720 area code?

Cities like Denver Metro area use the 720 overlay.

Is 719 a mobile or landline code?

It can be both. Use copyright lookup tools to verify.

Can I get a CO number if I live outside the state?

Yes, VoIP services allow you to own a CO number from anywhere in the world.

Is 970 still active?

Yes, 970 is actively used in Northern and Western Colorado cities like Fort Collins and Grand Junction.

Which CO code is best for business?

303 and 720 are ideal if you're targeting Denver; 970 works best for northern cities; 719 is great for Colorado Springs.

Wrap-Up: CO Area Code Strategy

Getting a Colorado area code is a smart move for anyone serving Colorado customers. Whether you need a virtual phone number, VoIP service, or a business phone system, the right area code sets the tone.