The company will also boost rates for premium channels, digital television packages, and installation and service calls.
The increases will be outlined in January bills.
The monthly rate changes announced yesterday will amount to nine percent in cities such as Fort Collins, Greeley, Superior and Idaho Springs
Denver monthly basic rates will rise one-point-nine percent.
Glenwood Springs and Carbondale rates are expected to rise between
five and ten percent.
Comcast predecessor A-T-and-T Broadband boosted Colorado rates
an average of five-point-two percent last year.
Comcast serves 680-thousand Colorado customers.