# AMERITECH CORP /DE/

AMERITECH CORP /DE/ is a company headquartered in Chicago, IL, United States.

## Company overview

- **Legal name:** AMERITECH CORP /DE/
- **Classification:** Company
- **Industry (SIC):** 4813 — Telephone Communications (No Radiotelephone)
- **Headquarters:** Chicago, IL, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0000732715

## About

AMERITECH CORP /DE/ is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000732715, and its reported industry is Telephone Communications (No Radiotelephone). The retained history contains 12 filings, including 8-K filed on 1999-10-12. 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 8-K — filed 1999-10-12 — period 1999-10-08 — OTHER EVENTS
- Form 8-K — filed 1999-09-15 — period 1999-09-15 — CURRENT REPORT
- Form 10-Q — filed 1999-08-03 — period 1999-06-30
- Form 8-K — filed 1999-07-20 — period 1999-07-20 — CURRENT REPORT
- Form 10-Q — filed 1999-05-14 — period 1999-03-31
- Form 8-K — filed 1999-04-20 — period 1999-04-20 — CURRENT REPORT
- Form 8-K — filed 1999-04-05 — period 1999-04-05 — CURRENT REPORT
- Form 8-K — filed 1999-03-25 — period 1999-03-24 — CURRENT REPORT
- Form DEF 14A — filed 1999-03-02 — period 1999-04-21 — DEFINITIVE NOTICE AND PROXY
- Form 8-K — filed 1999-02-18 — period 1999-02-18 — FORM 8-K
- Form SC 13G — filed 1999-02-09
- Form 8-K — filed 1999-01-21 — period 1999-01-21 — CURRENT REPORT

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Updated: 2026-10-23T22:41:06Z

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