Mediacom has the digital telephone service that will not disappoint you when you need it, as your mobile coverage can do. Connect with friends and family with unlimited national calls in the US USA, Canada, Puerto Rico, Guam and the US Virgin Islands UU. Experience more than a dozen popular user-friendly features included with your digital phone service in Monticello Illinois. Add WorldTalk to your phone and call more than 67 countries with Mediacom's low-priced international option. Mediacom facilitates the change, from the installation of your new telephone to the transfer through your current telephone number.