Illinois Area Code 447

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.

Key dates

• August 29, 2020 – permissive 7/10 digit dialing interval begins (throughout this time native calls inside Numbering Plan Space 217 could also be dialed utilizing each 7 and 10 digits)
• February 27, 2021 – necessary 10 digit dialing begins (all calls inside NPA 217 have to be dialed utilizing 10 digits: 217 xxx xxxx)
• March 27, 2021 – new space code 447 enters service

More info in the official announcement from NANPA (North American Numbering Plan Administrator) (PDF doc).

Go to area code 447 web page for an inventory of cities served, map and different information.