EXHIBIT 21.1 PEOPLES TELEPHONE COMPANY, INC. SUBSIDIARIES STATE OF NAME INCORPORATION - ---- ------------- Campus Telephone Services, Inc. (DBA Telink, Inc.)............................................ Texas PTC Cellular, Inc............................................................................. Delaware Silverado Communications, Inc................................................................. Colorado Southwest Inmate Pay Telephone Systems, Inc................................................... Texas PTC Global Link, Inc.......................................................................... Florida Global Access, Ltd............................................................................ Delaware Telink, Inc................................................................................... Texas Telink Telephone System, Inc.................................................................. Georgia Peoples Acquisition Corporation............................................................... Pennsylvania Peoples Telephone Company, Inc. (New Hampshire)............................................... New Hampshire PTC Security Systems, Inc..................................................................... Florida