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T-Mobile US, Inc.

TMUSNasdaqRadiotelephone CommunicationsFiscal year ends December 31Also trades as TMUSI, TMUSL, TMUSZ
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 28, 2026Score 17/3020% below fair value
$160.15+3.71 (+2.37%)

Close on Nov 2, 2026Market cap $171.79BP/E 16.8Yield 2.37%

T-Mobile US Postpaid Net Customer Additions Guidance by Quarter

Postpaid Net Customer Additions Guidance — Low Bound (Legacy) (M customers) (M)

T-Mobile US Postpaid Net Customer Additions Guidance: 7.20M in Q3 2025, up 28.6% from a year earlier. That is the highest of the 20 quarters on record here.

Latest, Q3 2025
7.20
Period ended Sep 30, 2025
Change on a year earlier
+28.6%
5.60 in Q3 2024
History
20 quarters
Since Q4 2020
Sources
20
Documents cited below

Where the Q3 2025 figure comes from

“|| Postpaid net customer additions | 6.1 to 6.4 million | 7.2 to 7.4 million | 1.05 million”

Source: TMUS 2025 Q3 Investor Factbook (8-K_EX-99_2025-10-23_0001283699-25-000153_tmus09302025ex992.txt) ↗

Reported in T-Mobile Investor Factbook (Form 8-K EX-99.2) & Form 10-K / 10-Q.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedPostpaid Net Customer Additions Guidance — Low Bound (Legacy) (M customers) (M)Year on yearSource
Q3 2025Sep 30, 20257.20+28.6%TMUS 2025 Q3 Investor Factbook (8-K_EX-99_2025-10-23_0001283699-25-000153_tmus09302025ex992.txt) ↗
Q2 2025Jun 30, 20256.10+13.0%TMUS 2025 Q2 Investor Factbook (8-K_EX-99_2025-07-23_0001283699-25-000116_tmus06302025ex992.txt) ↗
Q1 2025Mar 31, 20255.50+5.8%TMUS 2025 Q1 Investor Factbook (8-K_EX-99_2025-04-24_0001283699-25-000078_tmus03312025ex992.txt) ↗
Q4 2024Dec 31, 20245.50+10.0%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q3 2024Sep 30, 20245.60-1.8%TMUS 2024 Q3 Investor Factbook (8-K_EX-99_2024-10-23_0001283699-24-000141_tmus09302024ex992.txt) ↗
Q2 2024Jun 30, 20245.40-3.6%TMUS 2024 Q2 Investor Factbook (8-K_EX-99_2024-07-31_0001283699-24-000109_tmus06302024ex992.txt) ↗
Q1 2024Mar 31, 20245.20-1.9%TMUS 2024 Q1 Investor Factbook (8-K_EX-99_2024-04-25_0001283699-24-000062_tmus03312024ex992.txt) ↗
Q4 2023Dec 31, 202350.0%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q3 2023Sep 30, 20235.70-8.1%TMUS 2023 Q3 Investor Factbook (8-K_EX-99_2023-10-25_0001283699-23-000149_tmus09302023ex992.txt) ↗
Q2 2023Jun 30, 20235.60-6.7%TMUS 2023 Q2 Investor Factbook (8-K_EX-99_2023-07-27_0001283699-23-000133_tmus06302023ex992.txt) ↗
Q1 2023Mar 31, 20235.300.0%TMUS 2023 Q1 Investor Factbook (8-K_EX-99_2023-04-27_0001283699-23-000086_tmus03312023ex992.txt) ↗
Q4 2022Dec 31, 202250.0%TMUS 2022 Q4 Investor Factbook (8-K_EX-99_2023-02-01_0001283699-23-000007_tmus12312022ex992.txt) ↗
Q3 2022Sep 30, 20226.20+21.6%TMUS 2022 Q3 Investor Factbook (8-K_EX-99_2022-10-27_0001283699-22-000140_tmus09302022ex992.txt) ↗
Q2 2022Jun 30, 20226+20.0%TMUS 2022 Q2 Investor Factbook (8-K_EX-99_2022-07-27_0001283699-22-000111_tmus06302022ex992.txt) ↗
Q1 2022Mar 31, 20225.30+20.5%TMUS 2022 Q1 Investor Factbook (8-K_EX-99_2022-04-27_0001283699-22-000077_tmus03312022ex992.txt) ↗
Q4 2021Dec 31, 20215+25.0%TMUS 2021 Q4 Investor Factbook (8-K_EX-99_2022-02-02_0001283699-22-000009_tmus12312021ex992.txt) ↗

Cite this data

StockData. (2026). T-Mobile US Postpaid Net Customer Additions Guidance (M), quarterly Q4 2020–Q3 2025 [Data set]. Compiled from T-Mobile US SEC filings and investor materials. https://stockdatahq.com/stocks/tmus/kpis/sec-guidance-postpaid-net-cust-adds-low-347

See every metric in the T-Mobile US KPI table. Data updated Oct 25, 2026.