# TELEPHONE & DATA SYSTEMS INC

TELEPHONE & DATA SYSTEMS INC is a company headquartered in Middleton, WI, United States.

## Company overview

- **Legal name:** TELEPHONE & DATA SYSTEMS INC
- **Classification:** Company
- **Industry (SIC):** 4812 — Radiotelephone Communications
- **Headquarters:** Middleton, WI, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000096966

## About

TELEPHONE & DATA SYSTEMS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000096966, and its reported industry is Radiotelephone Communications. The retained history contains 12 filings, including SC 13G filed on 2023-02-08. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form SC 13G — filed 2023-02-08 — SEC SCHEDULE 13G
- Form SC 13G — filed 2015-04-16 — SC 13G
- Form SC 13G — filed 2006-01-26
- Form SC 13G — filed 2005-06-10 — SC 13G
- Form SC 13G — filed 2004-07-09 — SC 13G
- Form SC 13G — filed 1998-09-15
- Form 10-Q — filed 1998-05-12 — period 1998-03-31 — FORM 10-Q
- Form 8-K — filed 1998-04-28 — period 1998-04-27 — FORM 8-K
- Form 8-K — filed 1998-04-28 — period 1998-02-10 — FORM 8-K
- Form 8-K — filed 1998-04-23 — period 1998-04-21 — FORM 8-K
- Form 8-K — filed 1998-04-20 — period 1998-04-17 — FORM 8-K
- Form 10-K — filed 1998-03-27 — period 1997-12-31 — 10-K

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Updated: 2026-10-23T22:26:34Z

Canonical page: https://altss.com/profile/telephone-data-systems-inc

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