What to Expect from AT&T's Q4 2018 Earnings(Continued from Prior Part)## AT&T’s wireless service revenueIn the previous part of this series, we learned about AT&T’s (T) expected combined domestic wireless operations’ adjusted EBITDA growth in the fourth quarter. Now let’s look at the expected service revenue growth for its combined domestic wireless operations (or AT&T Mobility). Wall Street analysts expect AT&T’s wireless service revenue from its combined domestic operations to decline ~1.9% YoY to reach $14.0 billion in the fourth quarter.In the third quarter, AT&T reported combined domestic wireless operations service revenue of $14.0 billion, which was down ~3.4% YoY. However, it’s important to note that AT&T Mobility’s service revenue reduction was a result of its adoption of a new revenue recognition accounting standard. Using its historical accounting method, AT&T Mobility’s service revenue rose ~2.3% YoY to $14.8 billion in the third quarter.## Peer comparisonIn comparison, T-Mobile’s (TMUS) wireless service revenue is expected to rise ~5.7% YoY to $8.2 billion in the quarter ended December 31, while Verizon’s (VZ) wireless service revenue is expected to rise ~1.3% YoY to $16.1 billion. Sprint’s (S) service revenue from its wireless segment is expected to decline ~2.2% YoY to $5.5 billion in the same period.Continue to Next PartBrowse this series on Market Realist: * Part 1 - Will AT&T Continue Its Earnings Growth in Q4 2018? * Part 2 - What to Expect from AT&T’s Revenue Growth in Q4 2018 * Part 3 - Will AT&T Be Able to Deliver EBITDA Growth in Q4?