# ILLUMINET HOLDINGS INC

ILLUMINET HOLDINGS INC is a company headquartered in Lacey, WA, United States.

## Company overview

- **Legal name:** ILLUMINET HOLDINGS INC
- **Former names in filing history:** USTN HOLDINGS INC (1996-05-15 to 1997-03-27)
- **Classification:** Company
- **Industry (SIC):** 4813 — Telephone Communications (No Radiotelephone)
- **Headquarters:** Lacey, WA, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001002119

## About

ILLUMINET HOLDINGS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001002119, and its reported industry is Telephone Communications (No Radiotelephone). The retained history contains 12 filings, including 10-Q filed on 2001-11-14. 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 10-Q — filed 2001-11-14 — period 2001-09-30 — FORM 10-Q FOR PERIOD ENDING SEPTEMBER 30, 2001.
- Form 8-K — filed 2001-10-18 — period 2001-10-18
- Form SC 13D — filed 2001-10-03 — SCHEDULE 13D (RULE 13D-101)
- Form 8-K — filed 2001-10-02 — period 2001-10-01
- Form 8-K — filed 2001-09-24 — period 2001-09-24 — CURRENT REPORT
- Form 8-K — filed 2001-08-28 — period 2001-08-28
- Form 10-Q — filed 2001-08-13 — period 2001-06-30 — FORM 10-Q QUARTERLY PERIOD ENDED JUNE 30,2001
- Form 8-K — filed 2001-07-19 — period 2001-07-19
- Form 10-Q — filed 2001-05-15 — period 2001-03-31 — FORM 10-Q PERIOD ENDED MARCH 31, 2001
- Form 8-K — filed 2001-04-25 — period 2001-04-25
- Form DEF 14A — filed 2001-03-26 — period 2001-05-04 — DEFINITIVE PROXY MATERIAL
- Form 10-K — filed 2001-03-09 — period 2000-12-31 — FORM 10-K FISCAL YEAR END DECEMBER 31, 2000

---

Updated: 2026-10-23T22:51:19Z

Canonical page: https://altss.com/profile/illuminet-holdings-inc

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology