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 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.

What Are the Main Area Codes in Colorado?

• 303 Area Code – Serves the Denver Metro region
• 720 Area Code – Overlay of 303
• 719 Area Code – Serves Pueblo and southeastern Colorado
• 970 Area Code – Serves cities in Northern Colorado

Which Cities Use Which CO Area Code?

• Denver – 303, 720
• Colorado Springs – 719
• Fort Collins – 970
• Grand Junction – 970

Reason Behind Colorado’s Area Code Growth

The demand for new numbers due to population growth led to the introduction of new codes like 970. 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.

Colorado Area Code Overlays

An overlay area code, like 720 over 303, allows new phone numbers without changing geographic coverage. Learn more on FCC.gov.

How to Get a Colorado Virtual Number

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

VoIP Solutions for Colorado Numbers

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

Business Phone Systems for CO Area Codes

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

Colorado Area Code Lookup Tools

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 feel more familiar than toll-free numbers. Use a Colorado business phone number to increase conversions.

Business and Personal Uses of Local Numbers

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

Colorado Phone Numbers for VoIP

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

CO Area Code FAQ Section

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 local Colorado number from anywhere in the world.

Do people still use 970?

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

Most trusted area code for Colorado businesses?

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 wanting local presence in CO. Whether you need a virtual phone number, VoIP service, or a business phone system, the right area code sets the tone.