T-Mobile US (NASDAQ: TMUS) reported its third-quarter 2026 results on October 28, and the headline is account growth that the company described as strong and ahead of original expectations. According to the Business Wire release, postpaid average revenue per account (ARPA) reached $155.73, up 4% year over year, while total service revenues came in at $19.4 billion, up 6%.

Profit lines moved faster than revenue lines. Net income rose 27% to $3.5 billion, diluted earnings per share climbed 34% to $3.22, and Core Adjusted EBITDA grew 11% to $9.6 billion. That gap between top-line and bottom-line growth is the real story of this T-Mobile Q3 2026 earnings report. It also lands in a week when carriers keep arguing over satellite spectrum and network build costs, a theme we covered when Verizon’s CEO ruled out a Starlink MVNO and pointed to a $500 billion build cost.

This piece breaks down what T-Mobile reported, what the numbers imply, and what they do not prove. We stick to the figures in the release coverage and flag every derived number as our own arithmetic. Where the available reporting is silent, we say so. That includes the exact count of postpaid net account additions, which the results describe as strong without publishing a specific figure in the coverage we reviewed.

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T-Mobile Q3 2026 Earnings: The Headline Numbers, Line by Line

Six figures carry the quarter. Each one points the same direction (up), but at very different speeds. The table below lays out the reported results as published by T-Mobile through Business Wire and echoed in coverage from outlets that track the carrier.

Read down the right-hand column and a pattern shows up. Revenue grows in the mid-to-high single digits, EBITDA grows at 11%, net income at 27%, and EPS at 34%. Each step down the income statement adds growth. That is the signature of operating leverage, where added revenue costs less to serve than the revenue already on the books.

The release headline frames the quarter as account and ARPA growth translating into industry-leading service revenue, profitability and EPS growth. The industry-leading label is T-Mobile’s own framing. We did not verify it against rival results in this report, so treat it as a company claim rather than an independent ranking.

Why a $155.73 ARPA Is the Number to Watch

ARPA measures the average monthly revenue a carrier collects from each postpaid account. An account is a billing relationship, which can cover one phone or a whole household with phones, tablets, watches and home internet gateways. Because one account can hold many lines, ARPA captures how deeply a customer sits inside the carrier’s ecosystem.

A 4% rise to $155.73 tells us two things. Existing households are paying more per account, whether through plan mix, added lines, or pricing. And T-Mobile is not buying growth with discounts that would drag the average down. Running the arithmetic backward, a 4% gain implies the prior-year figure sat near $150, though that is our rounding and not a number T-Mobile published in the coverage we reviewed.

The distinction between accounts and lines matters for hardware watchers too. When a household adds a smartwatch, a tablet, or a home internet gateway, ARPA can rise without the account count moving at all. Carriers have spent years pushing connected devices into existing accounts for this reason. It is cheaper to deepen a relationship than to win a new one.

One caution. ARPA is an average, so it can climb because high-value households grow faster than the rest. The release coverage does not break out which plans, devices or price actions drove the 4%. We will not guess at a product mix that the available reporting does not state.

Service Revenue of $19.4 Billion and the Postpaid Engine

Total service revenues reached $19.4 billion, up 6%. Postpaid service revenues reached $16.3 billion, up 9%. Divide one by the other and postpaid accounts for roughly 84% of service revenue. The postpaid base is the engine, and it is growing faster than the whole.

The gap between 9% and 6% deserves a second look. If postpaid grew 9% and the total grew 6%, the rest of the service revenue pool grew more slowly or shrank. Subtracting the two reported figures leaves about $3.1 billion outside postpaid, covering categories such as prepaid and wholesale. Rounding makes that remainder fuzzy, since both inputs are rounded to a tenth of a billion. Still, the direction suggests that T-Mobile is gaining its growth where margins and customer lifetime value are highest.

Another back-of-envelope check helps. Postpaid service revenue grew about 5 points faster than ARPA (9% against 4%). If postpaid service revenue tracks ARPA multiplied by account count, the account base may have grown in the neighborhood of 5%. That would square with the company’s description of strong account additions. We label this an inference. T-Mobile’s own definitions and rounding could shift it.

The takeaway for investors and for readers following the sector: the quarter shows growth from both volume (more accounts) and price or mix (higher ARPA). Carriers that grow on only one leg tend to stall when it saturates. Growing on both is harder, and it is what separates a strong quarter from an average one.

Net Income, EPS and the Share Count Clue

Net income rose 27% to $3.5 billion. Diluted EPS rose 34% to $3.22. Those two growth rates should match if the share count stayed flat, and they do not. EPS outgrew net income by about 7 points.

What the 7-Point Gap Implies

Dividing the two growth factors (1.27 by 1.34) points to a diluted share count roughly 5% lower than a year ago. That is consistent with a company retiring shares through buybacks. The available results coverage does not itemize repurchases, so we present the 5% as arithmetic and not as a reported figure. Rounding in the 27% and 34% growth rates could move it by a point or so in either direction.

The practical effect is simple. Shareholders got a double lift. The business earned more in absolute dollars, and each remaining share claimed a bigger slice of it. For a stock where EPS growth anchors the valuation story, that second lever matters as much as revenue growth.

How Profit Outran Revenue

Service revenue grew 6% while net income grew 27%, so profit growth ran at more than four times the rate of revenue growth. Core Adjusted EBITDA, at 11%, sits between the two. Interest costs, depreciation, taxes and one-time items all sit between EBITDA and net income, and the release coverage does not list which of them helped. We cannot say how much of the 27% came from operations versus below-the-line effects. What we can say is that the operating line alone, at 11% growth, already outpaced revenue nearly two to one.

Core Adjusted EBITDA of $9.6 Billion: What 11% Growth Signals

Core Adjusted EBITDA reached $9.6 billion, up 11%. Against $19.4 billion of service revenue, that equals roughly 49.5%. Treat that ratio as a yardstick, not a reported margin. Total revenue includes equipment sales, which the figures here do not cover, so the true margin base is larger and the true margin is lower.

Why does EBITDA growth of 11% against service revenue growth of 6% matter? Wireless is a high fixed-cost business. Towers, spectrum, backhaul and core network gear cost roughly the same to run whether they carry a little traffic or a lot. Once the network exists, each extra account adds revenue at a low incremental cost. That is where the EBITDA leverage comes from.

The risk runs the other way. Carriers must keep spending on capacity and coverage, and those costs show up later in depreciation and capital expenditure rather than in EBITDA. Readers comparing telecom results across countries should look at capex alongside EBITDA. For one example of how big those commitments get, see our report on Canadian telecom capex of $19.5 billion spanning 2025 to 2030.

The release coverage we reviewed does not give a capex figure for the quarter, so we cannot calculate free cash flow or a cash conversion ratio. That is a gap worth closing for anyone building a valuation model. The full tables in T-Mobile’s filing are the place to look.

The Implied Prior-Year Math

Because T-Mobile reported year-over-year growth rates, we can back out approximate prior-year levels. These are our derivations, rounded, and not figures from the release. Use them to sense-check scale, not to cite as reported values.

The absolute dollar gains look like this on the same basis. Service revenue added roughly $1.1 billion. EBITDA added roughly $0.95 billion. Net income added roughly $0.74 billion. In other words, nearly all the incremental EBITDA looks like it flowed through to net income at a high rate. A reader should confirm that against the filed statements before relying on it, since tax and interest effects can distort the picture.

What the Release Coverage Does Not Say

Good analysis names its blind spots. The available results confirm the headline financials, but several details that readers will ask about are not in the coverage we reviewed. We list them here so no one mistakes absence for confirmation.

The account additions gap is the biggest. T-Mobile says growth was strong and ahead of its original expectations, but strong without a count is hard to price. Analysts will want the figure, the churn rate, and the split between new households and added lines. Until those numbers are in front of you, treat the qualitative language as management framing.

How T-Mobile’s Quarter Stacks Up Against Other Carriers

Cross-carrier comparisons need care because companies define metrics differently, report in different currencies, and cover different footprints. With that caveat, a few reference points from our own recent coverage help frame T-Mobile’s 6% service revenue growth.

Orange reported third-quarter revenue growth of 3.6% to 12.2 billion euros, which we covered in our Orange Q3 2026 report. That is total revenue for a European group, whereas T-Mobile’s 6% is service revenue for a US carrier. The two are not like for like. Even so, the direction is useful. A US carrier posting 6% service growth alongside a 34% EPS gain shows how different the growth picture can look from one market to the next.

Verizon sits closest to T-Mobile as a direct rival. Its CEO took a firm stance on satellite partnerships and network economics, and Verizon has been managing device launch timing too, as in our coverage of the Verizon iPhone Duo preorder delay and $100 gift card. We have not seen Verizon’s latest quarterly figures in the facts for this report, so we make no numerical comparison.

The honest conclusion is narrow. T-Mobile’s reported results look strong in isolation, and the company itself calls them industry-leading, but a verified side-by-side with every major rival would need each competitor’s same-quarter release. Readers should demand that comparison before accepting the label.

Market Impact: What It Means for TMUS and Telecom Investors

We have no verified stock reaction for TMUS in the facts for this report, so we will not describe a price move. What we can discuss is how the results should read to investors, based on the numbers.

First, the EPS growth rate of 34% is the figure most likely to draw attention. It outruns net income growth, which outruns EBITDA growth, which outruns revenue growth. Investors who prize earnings quality will ask how much of that stack comes from operations and how much from financial engineering such as buybacks and tax items. Our share-count inference suggests buybacks played a role, but the filing is the place to confirm it.

Second, ARPA growth of 4% matters because it speaks to pricing power. If a carrier can lift revenue per account while still adding accounts, it is signaling that customers are not switching away at current prices. That is a healthier setup than growth driven by promotions. The release coverage does not give churn data, so the pricing-power read stays provisional.

Third, telecom stocks trade partly on perceived threats. Satellite direct-to-device services are the newest one. Carriers have lobbied regulators on the topic, as our coverage of carriers pressing the FCC over Starlink’s 15,000-satellite mobile plans showed. Strong quarterly results do not remove that overhang, but they give a carrier more room to invest and negotiate.

The Hardware Angle: Devices, Gateways and Network Spend

This story sits in our hardware coverage because carrier economics and device economics are tied together. Phones, tablets, watches and home internet gateways all attach to accounts, and every attached device raises the odds that a household stays put. The release coverage names no specific products, prices or technical specifications, so we cannot say which devices drove the quarter.

What we can say is how the mechanism works. A new flagship phone launch pulls upgrades through carrier stores. Upgrade offers and trade-in credits often come with plan changes, and plan changes feed ARPA. When a hot device ships late or in short supply, carriers feel it in activations. That is why launch calendars and preorder delays get tracked so closely on the network side.

The network side is the other half. Spectrum is the raw material for every one of those connected devices, and regulators are deciding how much of it goes to satellite services. In a separate filing fight, carriers asked the FCC to trim 290 MHz from a satellite spectrum plan, which we detailed in our report on carriers opposing the FCC satellite spectrum proposal. Whichever way that lands, it shapes what hardware the next generation of phones needs to support.

Historical Context: From Subscriber Counts to Account Economics

For years, wireless investors judged carriers on subscriber counts and net adds. As the US market matured and most adults already had a phone, growth had to come from somewhere else. Carriers shifted toward account-level metrics, household bundles and ARPA, because those show how much value each relationship produces rather than how many SIM cards are active.

The metrics in this release reflect that shift. The headline names accounts and ARPA before it names revenue and profit. It treats account growth as the cause and service revenue, profitability and EPS as the effects. Whether or not you buy that causal chain, it shows how management wants investors to read the business.

We hold back on specific historical comparisons here. The verified facts for this report include only the third-quarter 2026 figures and their year-over-year changes, so we do not cite earlier quarters or multi-year trend lines. A reader who wants the long view should pull the prior filings directly. The stated growth rates still tell us the direction of travel against the same quarter a year earlier.

Five Predictions for the Next Four Quarters

These are our own analytical judgments, not forecasts from T-Mobile or any named analyst. They rest on the reported numbers and general industry mechanics, and any of them could prove wrong.

1. Rivals will lean harder on account-level metrics. If T-Mobile keeps framing the story around accounts and ARPA, competitors will either match that framing or argue for their own. Expect more disclosure fights over how each carrier defines an account.

2. ARPA growth will face a tougher comparison. A 4% gain on a $155.73 base is solid, but sustaining it needs new lines, better plan mix, or price actions. Each of those has limits, and customers push back when bills climb too fast.

3. EPS growth will cool unless buybacks continue. Our arithmetic suggests the share count fell about 5%. If repurchases slow, the 7-point edge of EPS growth over net income growth could narrow.

4. Satellite spectrum will stay a live regulatory issue. The FCC fights over satellite spectrum and direct-to-device services are unresolved. A decision either way could change carrier capital plans and device requirements.

5. Device cycles will matter more to the next print. Account growth and ARPA both respond to handset launches and promotions. The holiday quarter will test whether this quarter’s momentum holds when promotional intensity peaks.

What to Watch in the Full Filing

The release headlines are a starting point. Anyone building a model or writing a serious comparison should check a short list of items in the full filing and the earnings materials.

• The exact count of postpaid net account additions and how it compares with the company’s original expectations.
• Churn, both for postpaid phones and for accounts, to test the pricing-power read on ARPA.
• Quarterly capital expenditure and free cash flow, which the verified facts here do not cover.
• Share repurchase activity, to confirm or correct our 5% share-count inference.
• The reconciliation of Core Adjusted EBITDA to net income, to see what drove the 27% profit jump.
• Any change to full-year guidance, which would tell you how management reads the next two quarters.

Reading those six items turns a good headline into a defensible view. Without them, the numbers in this article show strength but cannot show its durability.

FAQ: T-Mobile Q3 2026 Earnings

When did T-Mobile report third-quarter 2026 results? The release date shown in the available results is October 28, 2026. The figures were published through Business Wire.

What was T-Mobile’s postpaid ARPA in Q3 2026? Postpaid average revenue per account was $155.73, up 4% year over year, according to the release.

How much service revenue did T-Mobile report? Total service revenues were $19.4 billion, up 6%. Postpaid service revenues were $16.3 billion, up 9%.

What were T-Mobile’s net income and EPS? Net income was $3.5 billion, up 27%. Diluted earnings per share were $3.22, up 34%.

What is Core Adjusted EBITDA and how did it change? It is the company’s adjusted measure of operating earnings before interest, taxes, depreciation and amortization. T-Mobile reported $9.6 billion for the quarter, up 11%.

How many postpaid net accounts did T-Mobile add? The available results describe account growth as strong and ahead of original expectations but give no specific figure, so we do not state one.

Did T-Mobile’s stock rise after the results? The verified facts for this report do not include a stock price reaction, so we make no claim about the move.