T-Mobile USA layoffs in Illinois

T-Mobile USA has filed 2 WARN notices in Illinois since January 2023, covering 166 workers at 2 sites in Cook County and DuPage County. They came in 2 filing rounds, received by the Illinois DCEO on Sep 20, 2023 and Jan 30, 2026. The latest notice (109 workers) took effect on Apr 2, 2026.

Last updated: Oct 7, 2026, 11:00 AM ET
Latest notice: Jan 30, 2026
Source: Illinois Department of Commerce and Economic Opportunity

About this data: figures are collected automatically from Illinois Department of Commerce and Economic Opportunity and checked before publication. They are for general information only and are not advice. Confirm with the source before acting. Last verified Oct 7, 2026, 11:00 AM ET. Report an error →

Employer names, worker counts and dates are as reported to the Illinois Department of Commerce and Economic Opportunity in WARN notices and may be amended by the filer; the Department says some information could not be verified at publication and issues revised reports. Employers who believe a listing is inaccurate can email editor@moneytrackerdaily.com with the company name and received date.

All Illinois WARN notices · Methodology · Download CSV · Cite this

Summary

WARN notices2

Workers affected166

ClosuresNoneAll notices are layoffs

Received datesSep 2023 – Jan 2026

Largest notice109T-Mobile USA, Jan 30, 2026

All 2 notices

Newest first. Employer names and worker counts are as filed with the state; each notice links to the state's official listing (Illinois WARN reports), which has no page for a single notice.
Received	Employer (as filed)	County	Site	Workers	Type	Reason	First layoff	Source
Jan 30, 2026	T-Mobile USA, Inc.	Cook	50 Commerce Dr., Suite 130, Schaumburg, IL 60173	109	Layoff	Changing Business Needs	Apr 2, 2026	Listing
Sep 20, 2023	T-Mobile USA, Inc.	DuPage	1400 Opus Place, Downers Grove, IL 60515	57	Layoff	Restructuring	Oct 24, 2023	Listing

By county

Workers affected, most first.
County	Notices	Workers
Cook County	1	109
DuPage County	1	57

By reason

Workers affected, most first.
Reason	Notices	Workers
Changing Business Needs	1	109
Restructuring	1	57

Methodology

Source: Illinois Department of Commerce and Economic Opportunity — monthly WARN reports (Illinois workNet)
What is included: Every Illinois WARN notice we have stored whose employer name matches this employer once site names, addresses and legal suffixes such as "Inc." or "LLC" are set aside, from all years collected, not only the current one. Totals are calculated by us from the notices.
Last updated: Oct 7, 2026, 11:00 AM ET
Download: CSV of the notices on this page
Cite this: Money Tracker Daily, "T-Mobile USA layoffs in Illinois", updated October 7, 2026, https://moneytrackerdaily.com/trackers/layoffs/illinois/company/t-mobile-usa. Data: Illinois Department of Commerce and Economic Opportunity, monthly WARN reports (Illinois workNet).

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