CHICAGO, April 20 /PRNewswire-FirstCall/ -- TDS (Amex: TDS) and U.S. Cellular (Amex: USM) announces the following Webcast:

    What:     TDS and U.S. Cellular Reports First Quarter Results

    When:     April 27, 2005 @ 11:00 AM Eastern Time

    Where:    http://phx.corporate-
               ir.net/phoenix.zhtml?p=iroleventDetails&c=67422&eventID=1054136

    How:      Live over the Internet -- Simply log on to the web at the
              address above.

    Contact:  Julie Mathews, Julie.mathews@teldta.com ; 312-592-5341

TDS, a FORTUNE 500 company, is a diversified telecommunications corporation founded in 1969. Through its strategic business units, U.S. Cellular and TDS Telecom, TDS operates primarily by providing wireless and local telephone service. TDS builds value for its shareholders by providing excellent communications services in growing, closely related segments of the telecommunications industry. As of Sept. 30, 2004, TDS employed 11,200 people and served nearly 6 million customers/units in 36 states.

SOURCE  TDS; U.S. Cellular
    -0-                             04/20/2005
    /CONTACT: Julie Mathews of Telephone and Data Systems Inc.,
+1-312-592-5341, Julie.mathews@teldta.com /
    /Web site:  http://www.teldta.com /
    (TDS USM)

CO:  Telephone and Data Systems, Inc.; U.S. Cellular; TDS Telecom
ST:  Illinois
IN:  TLS USM
SU:  ERN

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6947 04/20/2005 07:45 EDT http://www.prnewswire.com