Employer · WARN Act history · Other Services
T-Mobile
577 workers across 2 WARN notices, primarily in WA - recorded in the current PlainLayoffs dataset.
- 577
- Workers cut
- 2
- WARN notices
- 1
- State
- 289
- Avg / notice
T-Mobile has 2 recorded WARN filings affecting 577 workers
According to WARN Act filings submitted to state workforce agencies, T-Mobile has 2 recorded filings covering 577 workers across 1 state, primarily WA, the 310th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
T-Mobile is a minor share of Other Services WARN activity — 0.1% of the sector's 460,348 workers across 3,497 employers, ranking #106 in Other Services.
How 577 workers split by filing year
Calendar-year totals from WARN notice_date fields in this dataset, the same figures summed in the notice history below.
DOL WARN employer filing desk
Employer T-MOBILE · T-Mobile 577 workers · 2 filings
NOTC-LIGHT · WORK-HEAVY · PHOTO-UNK · RUNWAY-UNDER · STAT-SINGLE · BOOK-SINGLE · TYPE-LAYOFF
- NOTC-LIGHT 2 filings
- WORK-HEAVY #310
- PHOTO-UNK No peer
- RUNWAY-UNDER 59d
- STAT-SINGLE WA
- BOOK-SINGLE 1 agency
- TYPE-LAYOFF 2 layoffs
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Largest T-Mobile WARN filings · notice runway
Top 2 rows by workers_affected from this employer's filed notices. Runway = calendar days from notice_date to effective_date when both are published and forward-dated.
- WA · Layoff · Other Services 446 workers · filed Feb 2, 2026 · 59d runway
- King County, WA · Layoff · Other Services 131 workers · filed Aug 15, 2025 · 59d runway
Median forward runway across 2 dated filings: 59 days (2 under 60d · 0 at/above 60d ).
What changed - T-Mobile WARN filings by year
Computed from filed notice dates in this dataset (calendar years), not a vendor release label. Latest compared pair: .
- 2025 → 2026: WARN workers affected for T-Mobile rose from 131 in 2025 to 446 in 2026; notice count held from 1 to 1.
Site-wide YoY movers: /changes (RSS). Dataset corrections: /changelog. Year hubs: /year/2026.
Where T-Mobile Falls Among Tracked Employers
7,009 employers with a WARN filing, bucketed by total workers affected
Bucket counts (employers by total workers affected, as of September 2026): 1-10: 955; 11-50: 1,411; 51-150: 3,067; 151-500: 1,205; 501-1.5k: 273; 1.5k-5k: 72; 5k-15k: 16; 15k+: 10. T-Mobile is in the 501-1.5k bucket (#310 of 7,009 by workers affected).
Employer Profile
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Feb 2026.
WARN Notice History
2026
WA · Other Services
Effective: Apr 2, 2026
446
workers
Filed Feb 2, 2026
2025
King County, WA · Other Services
Effective: Oct 13, 2025
131
workers
Filed Aug 15, 2025
Questions about this T-Mobile record
What is the largest T-Mobile WARN filing on record? ▼
The largest row is the mass layoff filed for WA on Feb 2, 2026, covering 446 workers in Other Services.
Where were T-Mobile's WARN notices filed? ▼
The record contains 2 mass-layoff filings centered on King County, sourced from Washington ESD. States represented in this record: WA.
Does T-Mobile's filing history show a recurring pattern? ▼
The filing history spans 2025 through 2026 across 2 calendar years; that recurrence is visible in the dated rows rather than inferred from news coverage.
How much advance notice appears in T-Mobile's record? ▼
The measurable notice runway is between 30 and 59 days; the WARN pay tool can value the gap, but only a qualified adviser can determine whether an exception applies.
See also: WA WARN filings · Other Services industry WARNs · WARN Act guide
Source: State WARN Act layoff registries T-Mobile notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.