We hope you know already, your caller is from Lake, Deerfield, in Illinois.
It seems that your caller used a Regular Landline to reach his targets. Provided by First Communications, they are popular in Chicago.
Your caller mostly calls within CT (UTC -06:00). Specific zips 60015, 60022, 60025, & 60035. Specific locations centered around 42.17 & -87.84.
Here, we tell you all we know about a caller based on the information that's freely available on the internet, and comments left by others. That may be enough for you!
If it isn't, you'll want to use the search at the top of this page. It'll take you to more... juicy info. You may not like what you find!