Market Statistics

We are providing statistics on U.S. markets that we have been tracking for a long time. These charts show the number of lines in service for the four major U.S. incumbent telephone companies and include:

U.S. Switched Access Lines
U.S. ISDN Basic Rate Interface (BRI)
U.S. ISDN Primary Rate Interface (PRI)
U.S. DS-3 Lines
U.S. Fiber Deployment