AEP (IL) typically offers customer service during standard business hours, which can be from Monday to Friday, generally from 7 a.m. to 7 p.m. However, it is important to note that hours may vary depending on specific services or inquiries. For the most accurate and up-to-date information regarding customer service hours, customers are encouraged to visit the official AEP (IL) website. On the website, one can find detailed contact information as well as any updates or changes to service hours that may apply. Keeping an eye on the website can also provide additional resources for managing accounts and addressing common questions related to services.