Local CO Phone Numbers
Local CO Phone Numbers
Blog Article
Complete Guide to Colorado Area Codes
If you’re looking to expand your business into Colorado, understanding the area code structure in CO 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 303, 720, 719, and 970.
List of Colorado Area Codes
- 303 Area Code – Used primarily in Denver
- 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
- Pueblo – 719
Reason Behind Colorado’s Area Code Growth
The demand for new numbers due to technology adoption led to the introduction of new codes like 970. Read more on Wikipedia.
Where is 303 Located?
303 is one of the oldest area codes in the U.S.. It's now shared with its overlay 720.
Colorado Area Code Overlays
An overlay area code, like 720 over 303, allows multiple users in the same location to have unique numbers. Learn more on FCC.gov.
Buy a Colorado Area Code for Business
Businesses can get a local CO number to build trust with local clients. Services like Bling’s virtual phone number platform make setup easy.
Internet Calling with CO Area Codes
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.
Look Up a CO Phone Number
Use tools like AreaCodeLocations.info, AllAreaCodes, or NANPA to identify or verify area codes.
Why Local Numbers Work Best in Colorado
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.
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 Colorado 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.
Most trusted area code for Colorado businesses?
303 and 720 are ideal if you're get more info 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.
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