The 303, 719, and 720 area codes cover Denver and several regions across Colorado. If you’re wondering where is area code 719, what area code is 719, or the locations for 303 and 720, this guide explains the cities, usage, and benefits of having local numbers in Colorado.
Colorado’s growing population, business hubs, and vibrant tech scene make having a local area code essential for both personal and professional communication.
303 Area Code – Denver Metro
The 303 area code is one of the original Colorado area codes and primarily covers Denver, Boulder, and surrounding metropolitan areas. It is widely recognized and often associated with Denver’s central business districts and residential communities.
Key cities in the 303 area:
- Denver
- Boulder
- Westminster
- Lakewood
720 Area Code – Denver Expansion
The 720 area code was introduced as an overlay to 303 to accommodate Denver’s growing demand for phone numbers. It covers the same geographic region as 303, meaning you can encounter both area codes in the same city.
Businesses and residents in Denver often use 720 for mobile and VoIP numbers, making it a modern complement to the classic 303 numbers.
719 Area Code – Southern & Southeastern Colorado
The 719 area code serves southern and southeastern Colorado, including Colorado Springs, Pueblo, and surrounding areas. For anyone searching area code 719 location or where is 719 area code, this code spans both residential and business regions outside the Denver metro area.
Cities in area code 719:
- Colorado Springs
- Pueblo
- Canon City
- Fountain
While sometimes confused with other states, the 719 area code California is incorrect- 719 is strictly Colorado.
Benefits of Having a Colorado Local Number
Using a 303, 719, or 720 area code number for business gives you several advantages:
- Local credibility: Customers are more likely to answer calls from familiar area codes.
- Improved SMS engagement: Local area codes improve open and reply rates for text messaging.
- Flexibility: With VoIP services, you can have any Colorado area code number, even if your business is located elsewhere.
Using 303, 719 & 720 Numbers with Salesforce Messaging
For businesses that use Salesforce, connecting a 303, 719, or 720 area code number to a messaging platform like Message Blink allows teams to:
- Send SMS from Salesforce with a local Colorado number
- Run Salesforce SMS marketing and bulk texting campaigns
- Log all messages automatically in Salesforce records
- Automate follow-ups for leads and customer support
Using local numbers in Denver and southern Colorado improves trust, engagement, and response rates when sending SMS or WhatsApp messages from Salesforce.
How to Get a 303, 719, or 720 Area Code Number
Getting a local Colorado phone number is simple:
- Sign up with a VoIP or cloud phone provider
- Select a local number in 303, 719, or 720
- Activate the number online and start using it for calls and SMS
- Integrate with Salesforce for automated messaging
Once set up, your business can operate across Colorado without needing a physical office in every city.
Time Zone and Regional Notes
- All three area codes (303, 719, 720) follow Mountain Time Zone (MT)
- 303 and 720 overlap in the Denver metro area
- 719 serves southern and southeastern Colorado exclusively