Unknown #, unsolicited call, didn't answer. Phone app identified it as a telemarketer.
FTC Data
At least 4 consumers from Illinois reported phone number 217-330-5403 to the Federal Trade Commission. 25% of complaints reported the call or text message as a robocall or recorded message. The last complaint was on January 16, 2018.
Springfield
Help others by rating this number - was it spam, a business, or something else?
Wish the FCC, FTC, or whatever Government alphabet organization, would put a halt to this aggravation.