SEC CENTRAL INDEX KEY

AT&T INC. CIK Number

The SEC Central Index Key (CIK) for AT&T INC. (T).

CIK (CENTRAL INDEX KEY)
0000732717
Also written as 732717 (without leading zeros).
Company
AT&T INC.
Ticker
T
Download T filings (PDF) →View on SEC EDGAR

What is a CIK number?

A CIK (Central Index Key) is the unique, permanent identifier the U.S. Securities and Exchange Commission assigns to every filer — companies, funds, and individuals — in its EDGAR system. Unlike a stock ticker, a CIK never changes: even if AT&T INC. changed its ticker or name, its CIK (0000732717) would stay the same.

That stability is why the CIK is the most reliable way to pull a company's filings programmatically. Every 10-K, 10-Q, 8-K, and Form 4 for AT&T INC. is indexed under CIK 0000732717.

CIK vs ticker — what is the difference?

  • Ticker (T) — exchange trading symbol; can change or be reused.
  • CIK (0000732717) — SEC filer ID; permanent, one per filer, used across all EDGAR filings.
  • Leading zeros are optional: 0000732717 and 732717 refer to the same filer.

How to use AT&T INC.'s CIK

Paste CIK 0000732717 into EDGAR full-text search to see every filing, or skip the friction and download T filings as clean PDFs here. To look up any other company's CIK, use the CIK lookup directory.

Source: SEC EDGAR company index (sec.gov). CIK data is public.