Where is the area code 790?

Travel Info
Where is the area code 790?

Travel Tips

Area code 790 does not actually belong to any specific city or state. It is actually what is called an expansion code and is scheduled for relief expansion for all states. Basically, it's used when regular area codes are close to capacity. Source(s): http://decoder.americom.com/cgi-bin/newd...

http://www.moneymentor.com/categories/ar...

Other Travel Tips
Here is a web site where you can enter the area code and get the location. Also, don't the U.S. phone books still have a map in them showing this? iI am in Mexico, so cannot look at one.
uscallingcodes.com
Not in Denver, or even Colorado. Area codes here are 303, 720, 970, and 719.