Exhibit 99




Contact:          Mark A. Steinkrauss
                  Vice President, Corporate Relations
                  (312) 630-1900  email:  mark.steinkrauss@teldta.com

FOR RELEASE:  IMMEDIATE

                TDS SHAREHOLDERS APPROVE TRACKING STOCK PROPOSAL

April 27, 1998 - Chicago,  Illinois - Telephone  and Data Systems,  Inc.  [AMEX:
TDS] reported  today that  shareholders  approved the company's  Tracking  Stock
Proposal  as well as two other  related  proposals.  The  company  received  the
affirmative  vote of at least a  majority  of the  voting  power of  outstanding
shares  of all  shareholder  groups  entitled  to vote as a class.  The Board of
Directors of TDS had  unanimously  recommended  that  shareholders  vote for the
tracking stock proposal and the related proposals.

LeRoy T. Carlson, Jr., President and Chief Executive Officer said, "The Tracking
Stock Proposal is intended to result in greater market  recognition of the value
of the  company and the  company's  three  business  groups,  thereby  enhancing
shareholder  value  over the long  term,  while at the same  time  enabling  the
company's businesses to preserve the benefits that a consolidated enterprise can
give.  On behalf of the  management  team,  I thank TDS  shareholders  for their
continued support. We are committed to improving shareholder returns at all four
of  our  business   entities,   United  States  Cellular   Corporation,   Aerial
Communications,  Inc., TDS  Telecommunications,  and Telephone and Data Systems,
Inc.

Except  for  historical  and  factual   information   contained  herein,   other
information  set  forth in this  news  release  may  represent  forward  looking
statements,  including  all  statements  about  the  company's  plans,  beliefs,
estimates and expectations.  These statements are based on current estimates and
projections,  which might  involve  certain risks and  uncertainties  that could
cause  actual  results to differ  materially  from those in the forward  looking
statements.  Investors are encouraged to consider these risks and  uncertainties
which are discussed in documents  filed by the company with the  Securities  and
Exchange  Commission.  TDS  undertakes  no  obligation  to  publicly  update any
forward-looking statements whether as a result of new information, future events
or otherwise.

TDS is a diversified Chicago-based  telecommunications  company with established
cellular  telephone  and local  telephone  operations  and  developing  Personal
Communications  Services ("PCS") operations.  TDS strives to build value for its
shareholders  by  providing  excellent  communications  services in  attractive,
closely related segments of the telecommunications industry.

TDS Internet Home Page:  http://www.teldta.com