An updated map of area codes in Illinois that will be in effect as of March 29, 2021. Reporter An updated map of area codes in Illinois that will be in effect as of March 29, 2021. CHAMPAIGN ...

Illinois officials say that a new area code will be coming to the southern portion of the state, affecting more than 35 counties beginning in the new year. According to a press release from the ...

There are 615-branded clothes, a gym and co-working spaces. But in 2014, as the population grew and cell phones continued to proliferate, regulators announced the 629 area code “overlay.” ...