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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 17/3019% 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 Total Postpaid Net Customer Additions by Quarter

Total Postpaid Net Customer Additions (Legacy) (k customers)

QuarterlyAnnual

T-Mobile US Total Postpaid Net Customer Additions: 2,382 in Q4 2025, up 23.2% from a year earlier. That is the highest of the 40 quarters on record here.

Latest, Q4 2025
2,382
Period ended Dec 31, 2025
Change on a year earlier
+23.2%
1,933 in Q4 2024
History
40 quarters
Since Q1 2016
Sources
9
Documents cited below

Where the Q4 2025 figure comes from

“|| Total postpaid customers | 1,220 | 1,338 | 1,575 | 1,933 | 1,337 | 1,732 | 2,347 | 2,382 | 6,066 | 7,798”

Source: TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.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

PeriodEndedTotal Postpaid Net Customer Additions (Legacy) (k customers)Year on yearSource
Q4 2025Dec 31, 20252,382+23.2%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2025Sep 30, 20252,347+49.0%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2025Jun 30, 20251,732+29.4%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q1 2025Mar 31, 20251,337+9.6%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q4 2024Dec 31, 20241,933+23.1%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2024Sep 30, 20241,575+28.5%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2024Jun 30, 20241,338-14.3%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q1 2024Mar 31, 20241,220-5.6%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q4 2023Dec 31, 20231,570-13.6%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q3 2023Sep 30, 20231,226-24.6%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q2 2023Jun 30, 20231,561-5.7%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q1 2023Mar 31, 20231,293-1.9%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q4 2022Dec 31, 20221,818+3.9%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q3 2022Sep 30, 20221,627+29.2%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q2 2022Jun 30, 20221,656+29.8%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q1 2022Mar 31, 20221,318+8.9%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗

Breakdown

What makes up total Postpaid Net Customer Additions

Cite this data

StockData. (2026). T-Mobile US Total Postpaid Net Customer Additions, quarterly Q1 2016–Q4 2025 [Data set]. Compiled from T-Mobile US SEC filings and investor materials. https://stockdatahq.com/stocks/tmus/kpis/sec-total-postpaid-net-adds-16

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