What is the u.s. cellular 24 hour toll free customer service phone number?

For U.S. Cellular assistance, dial 611 from your U.S. Cellular phone (always a free call) or call their toll-free number 1-888-944-9400 to contact Customer Service.

Hours of Operation:

  • Daily: 6 a.m. – 11 p.m.
  • Holidays: 7 a.m. – 8 p.m.

For Business Customers billing, payment or technical questions, please call 1-800-819-9373 for assistance.

To keep up to date on the latest news and updates, visit U.S. Cellular's Facebook page or follow them on Twitter- @USCellular.

Check out some smart phone buying tips at ConsumerReports.org.

In tech buzz, the Mayo Clinic and Apple have been working together for two years - the clinic helped Apple with its new app Health, and the HealthKit platform, Apple's new healthcare API for developers. The Health app accrues health information that is either obtained through gadgets or entered manually by the user. Catch more at Business Insider.

Updated on Monday, September 15 2014 at 11:12AM EDT