Skip Navigation

Federal Communications Commission

English Display Options

Infrastructure of the Local Operating Companies Reports

The Infrastructure of the Local Operating Companies reports present data that highlights the development of switching and transmission technologies in the local telephone networks.  Included in the report are data on company switches and access lines, Signaling System 7 and Integrated Services Digital Network (ISDN) capability, as well as fiber optic and copper facilities.

Archive. Archive of released Infrastructure of the Local Operating Companies reports.

close
FCC

You are leaving the FCC website

You are about to leave the FCC website and visit a third-party, non-governmental website that the FCC does not maintain or control. The FCC does not endorse any product or service, and is not responsible for, nor can it guarantee the validity or timeliness of the content on the page you are about to visit. Additionally, the privacy policies of this third-party page may differ from those of the FCC.