To contact U.S. Cellular customer support, as of 2015, go to USCellular.com, hover your mouse over the Support button and then click Contact Us. The Contact Us page displays telephone lines to contact a customer care representative from the company.
On the left-hand side of the Contact Us page under Support, click on the Customer Care link to submit a support ticket to the U.S. Cellular customer care department. The new page contains a contact form for customers who want to send an email to the business support staff of U.S. Cellular. Provide the required details in the contact form, such as the name, billing address line, location and phone number, and then select a topic. Type the message into the message box, and then click the Submit button.
Alternatively, to contact the business customer care support department of U.S. Cellular via phone, go to the home page of the website, and hover your mouse over the Business option. The contact details appear under Sales And Support Info, including the right time to contact the department from Monday to Sunday. Click the Business option on the home page of the website if you want to contact U.S. Cellular for business-related topics or the Support option for general topics regarding the company's service.