TMobile US Inc 5.500 Senior Notes due June 2070's TMUSZ is an exchange-traded baby bond in the Radiotelephone Communications sector. At a recent price of $20.72, TMUSZ yields 6.64% on its $25 liquidation preference and 5.50% coupon. It trades at a discount of 17.1% to par. The issue is callable on or after 2026-03-01. Distributions are paid quarterly. Figures are derived from market data and SEC filings; confirm details in the prospectus before investing.