TDE - Telephone and Data Systems Inc. 2020 Q4 - Results - Earnings Call Presentation February, 19 2021 05:06 PM Telephone and Data Systems Inc. 6.875% Senior Notes due 2059 The following slide deck was published by Telephone and Data Systems, Inc. in conjunction with their 2020 Q4 earnings call. For further details see: Telephone and Data Systems, Inc. 2020 Q4 - Results - Earnings Call Presentation