United States Cellular Corporation (U.S. Cellular), is a regional carrier which owns and operates the fifth-largest wireless telecommunications network in the United States, serving 4.7 million customers in 426 markets in 26 U.S. states as of the third quarter of 2014.
Originally, U.S. Cellular used analog, then Digital AMPS "TDMA" cell phones in most markets, but the company started shifting over to 1xRTT CDMA technology in 2003. After the switch, U.S. Cellular discontinued all analog and TDMA services. In 2009, U.S. Cellular started converting its network to EVDO which offers 3G speeds.
U.S. Cellular announced that it would start offering 4G LTE coverage to customers beginning in the first quarter of 2012.
To visit the US Cellular Customer Service webpage, please click here
Toll-free: 1-888-944-9400 or dial 611 from your US Cellular phone (free call)
Hours Of Operation:
Daily: 6 a.m. – 11 p.m.
Holidays: 7 a.m. – 8 p.m.
(New Years Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day)
Billing, payment or technical questions: 1-888-944-9400
Business Products & Services: 1-866-USC-4BIZ (1-866-872-4249)
Business billing, payment or technical support: 1-800-819-9373