Local CO Phone Numbers
Local CO Phone Numbers
Blog Article
Everything You Need to Know About CO Phone Numbers
If you’re looking to establish a presence in Colorado, understanding the Colorado phone code layout is essential. This blog explains how to get a VoIP number with a CO area code and why it matters.
Colorado Area Codes Map

Colorado has a few major dialing codes covering different parts of the state. These are area list of Colorado area codes codes 303, 720, 719, and 970 respectively.
Breakdown of CO Phone Codes
- 303 Area Code – Serves the Denver Metro region
- 720 Area Code – Overlay of 303
- 719 Area Code – Colorado Springs and southern CO
- 970 Area Code – Serves cities in Northern Colorado
Cities Using Colorado Area Codes
- Aurora – 303, 720
- Colorado Springs – 719
- Greeley – 970
- Grand Junction – 970
CO Area Code Expansion Explained
The demand for new numbers due to business expansion 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.
What is an Overlay Area Code?
An overlay area code, like 720 over 303, allows new phone numbers without changing geographic coverage. 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.
Set Up a Colorado Business Line
To fully manage calls and teams, choose a business phone system that supports routing, voicemail, SMS, and extensions – ideal for companies targeting Colorado.
How to Find an Area Code in Colorado
Use tools like AreaCodeLocations.info, AllAreaCodes, or NANPA to identify or verify area codes.
Should You Use a Local or Toll-Free Number in CO?
Local CO numbers like 303 or 970 tend to build more trust 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
Colorado Phone Numbers for VoIP
Choose cloud-based 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 most of Central Colorado 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 serving Colorado customers. Whether you need a virtual phone number, VoIP service, or a business phone system, the right area code sets the tone.
Report this page