Area codes / Colorado / 719
The 719 area code
719 is an area code in Colorado, in the Mountain time zone. Get a local 719 number for your business, shared by everyone who answers it, or bring the 719 number you already have.
719 at a glance
- State
- Colorado
- Time zone
- Mountain
- In service since
- 1988
- Overlay
- None: the only code for its area
- Local calls
- Dialed with all ten digits (area code and number)
Get a 719 business number
When you sign up for Onyx Phone, you pick a local number by area code: search 719, narrow it by the next three digits or the last four if you want something memorable, and it's yours on the spot. Which numbers are free changes daily.
The number rings everyone you assign to it, in the browser, on the iPhone and Android apps, and on desk phones, and texts from it are unlimited once US carriers approve your business. Your plan includes one number for each user, and more numbers are $5 a month.
Calling 719 customers
Local calls in 719 are dialed with all ten digits: the area code, then the number. Callers are on Mountain time, so set your business hours to match if most of your customers are here.
Calls from Onyx Phone show your business number, and once your business is verified, your caller ID name too, so 719 customers see who's calling.
Questions about area code 719
What state is area code 719?
Area code 719 is in Colorado.
What time zone is area code 719 in?
Area code 719 is in the Mountain time zone.
Is 719 an overlay area code?
No. Today 719 is the only area code for its part of Colorado.
Can I get a 719 business number?
Onyx Phone sells US local numbers. When you pick your number, search the 719 area code; which numbers are free changes daily.
Can I keep the 719 number I already have?
Yes. Moving a number to Onyx Phone is free on every plan and usually takes 3 to 7 business days. You answer on a temporary number until it moves.
Included on every plan
Starter is $17, Business is $29, Scale is $42 per user a month, or less billed yearly. The plan includes a business number for each user and unlimited calling and texting in the US and Canada. Every plan starts with a 7-day free trial, and moving your current number over is free.
Area code data from the North American Numbering Plan Administrator (NANPA), file of October 24, 2026.