New local dialing procedure for customers in 719 and 970 area codes begins April 24, 2021.
Beginning April 24, 2021, Colorado customers with numbers in the 719 and 970 area codes should start dialing 10-digits (area code + telephone number) for all local calls. This is known as a permissive dialing period because if you forget and dial just seven digits, your call will still be completed. Beginning October 24, 2021, customers in the 719 and 970 area codes must dial 10 digits (area code + telephone number) for all local calls. On and after this date, local calls dialed with only seven digits may not be completed.