Guide to Colorado Dialing Codes
Guide to Colorado Dialing Codes
Blog Article
Understanding Colorado Dialing Codes for Business & Personal Use
If you’re looking to target customers in Colorado, understanding the Colorado area code system is essential. This blog explains how to get a Colorado virtual number and why it matters.
Understanding the Area Code Regions in CO
Colorado has four main area codes covering different parts of the state. These are the codes 303, 720, 719, and 970.
List of Colorado Area 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 – Covers Fort Collins, Greeley, Grand Junction
Which Cities Use Which CO Area Code?
- Denver – 303, 720
- Boulder – 303, 720
- Fort Collins – 970
- Pueblo – 719
CO Area Code Expansion Explained
The demand for new numbers due to technology adoption led to the introduction of new codes like 970. Read more on Wikipedia.
What is the 303 Area Code?
303 is the original area code for Colorado. It's now shared with its overlay 720.
What is an Overlay Area Code?
An overlay area code, like 720 over 303, allows multiple users in Colorado dialing codes 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.
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.
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.
Business and Personal Uses of Local Numbers
- 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.
Frequently Asked Questions
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.
Do people still use 970?
Yes, 970 is actively used in Northern and Western Colorado cities like Fort Collins and Grand Junction.
Which area code should I use for my business?
303 and 720 are ideal if you're targeting Denver; 970 works best for northern cities; 719 is great for Colorado Springs.
Start with the Right Colorado Number
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.
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