Guide to Colorado Dialing Codes
Guide to Colorado Dialing Codes
Blog Article
Everything You Need to Know About CO Phone Numbers
If you’re looking to target customers 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.
Understanding the Area Code Regions in CO
Colorado has a few major dialing codes covering different parts Colorado local number for business of the state. These are 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 – Serves Pueblo and southeastern Colorado
- 970 Area Code – Covers Fort Collins, Greeley, Grand Junction
Cities Using Colorado Area Codes
- Aurora – 303, 720
- Boulder – 303, 720
- Greeley – 970
- Grand Junction – 970
CO Area Code Expansion Explained
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 still in use with 720.
Colorado Area Code Overlays
An overlay area code, like 720 over 303, allows the expansion of service without disrupting existing lines. Learn more on FCC.gov.
Get a CO Local Number Online
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.
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 build more trust than toll-free numbers. Use a Colorado business phone number to increase conversions.
Use Cases for Colorado 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.
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.
Is 970 obsolete?
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 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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