Central Illinois’ counties and cities at the moment utilizing space code 217 will quickly be served by a second space code. The brand new 447 space code, scheduled to enter service in 2021, will overlay NPA 217, protecting the identical geographic space. Some bigger cities affected are: Champaign, Decatur or the state’s capital Springfield.
Because of this, 10 digit dialing shall be necessary for all native calls throughout the newly created overlay complicated 217/447, whereas toll calls would require 1+10 digit dialing.
Go to area code 447 web page for an inventory of cities served, map and different information.