TELEPHONE AND DATA SYSTEMS, INC. EXHIBIT 21 LIST OF SUBSIDIARIES AS OF DECEMBER 31, 1994 TELEPHONE COMPANIES TDS Telecommunications Corporation Central Region - Mid-Central Division Arcadia Telephone Company Chatham Telephone Company Communications Corporation of Indiana Communication Corporation of Michigan Communications Corporation of Southern Indiana Continental Telephone Company Home Telephone Company, Inc. The Home Telephone Company of Pittsboro, Inc. Island Telephone Company Little Miami Communications Corporation Oakwood Telephone Company Shiawassee Telephone Company The Vanlue Telephone Company Wolverine Telephone Company Central Region - Mid-West Division Arvig Telephone Company Badger Telecom, Inc. Black Earth Telephone Company, Inc. Bonduel Telephone Company Bridge Water Telephone Company Burlington, Brighton and Wheatland Telephone Company Central State Telephone Company Danube Telephone Company EastCoast Telecom, Inc. Grantland Telecom, Inc. KMP Telephone Company Mid-State Telephone Company Midway Telephone Company Mt. Vernon Telephone Company Riverside Telecom, Inc. Scandinavia Telephone Company Stockbridge & Sherwood Telephone Company, Inc. Tenney Telephone Company Waunakee Telephone Company, Inc. Winsted Telephone Company 1 EXHIBIT 21 TELEPHONE COMPANIES (Cont.) Central Region - Western Division Arizona Telephone Company Asotin Telephone Company Cleveland County Telephone Company, Inc. Decatur Telephone Company Delta County Tele-Comm, Inc. Happy Valley Telephone Company Home Telephone Company Hornitos Telephone Company Lake Livingston Telephone Company, Inc. McDaniel Telephone Company Mid-America Telephone Company, Inc. New London Telephone Company Oklahoma Communication Systems, Inc. Orchard Farm Telephone Company Potlatch Telephone Company The Stoutland Telephone Company Strasburg Telephone Company Troy Telephone Company, Inc. Winterhaven Telephone Company Wyandotte Telephone Company Northeast Region Chichester Telephone Company, Inc. Edwards Telephone Company, Inc. Hartland & St. Albans Telephone Company The Island Telephone Company Kearsarge Telephone Company Ludlow Telephone Company Mahanoy & Mahantango Telephone Company Meriden Telephone Company, Inc. Northfield Telephone Company Oriskany Falls Telephone Corporation Perkinsville Telephone Company, Inc. Port Byron Telephone Company Somerset Telephone Company Sugar Valley Telephone Company Warren Telephone Company West Penobscot Telephone & Telegraph Company 2 EXHIBIT 21 TELEPHONE COMPANIES (Cont.) Southeast Region Amelia Telephone Corporation Barnardsville Telephone Company Blue Ridge Telephone Company Butler Telephone Company, Inc. Camden Telephone & Telegraph Company Calhoun City Telephone Company, Inc. Concord Telephone Exchange, Inc. Goshen Telephone Company Grove Hill Telephone Corporation Humphreys County Telephone Company Leslie County Telephone Company Lewisport Telephone Company McClellanville Telephone Company, Inc. New Castle Telephone Company Norway Telephone Company Oakman Telephone Company, Inc. Peoples Telephone Company Quincy Telephone Company St. Stephen Telephone Company Salem Telephone Company, Inc. Saluda Mountain Telephone Company Service Telephone Company, Inc. Southeast Mississippi Telephone Company, Inc. Tellico Telephone Company, Inc. Tennessee Telephone Company Virginia Telephone Company Williston Telephone Company Management Service Companies Tennessee Telecommunications Service Corporation Central Region - TSSD, Inc. 3 EXHIBIT 21 SERVICE COMPANIES American Communications Consultants, Inc. American Portable Telecommunications, Inc. American Radio Communications, Inc. CellVest CommVest, Inc. Integrated Communications Services, Inc. National Telephone & Telegraph Company Nortelco Finance Company, Inc. Rudevco, Inc. Suttle Press, Inc. TCC, Incorporated TDS Computing Services, Inc. TDS Oklahoma Holdings, Inc. TDS Realestate Investment Corporation Tel Radio Communications Properties, Inc. Telecommunications Technologies Fund, Inc. CABLE TV COMPANIES TDS Cable Communications Company Carolina Cable T.V. Co., Inc. Comvideo Systems, Inc. Condon TV Systems, Inc. Kearsarge Cable Communications, Inc. Lewisport Cable TV Volunteer TV Cable Company Warren Cable Company 4 EXHIBIT 21 RADIO PAGING COMPANIES American Paging, Inc. Advanced Wireless Messaging, Inc. American Messaging Services, LLC A. P. of Pennsylvania, Inc. American Paging, Inc. (of Arizona) American Paging, Inc. (of California) American Paging, Inc. (of Connecticut) American Paging, Inc. (of District of Columbia) American Paging, Inc. (of Florida) American Paging, Inc. (of Georgia) American Paging, Inc. (of Illinois) American Paging, Inc. (of Indiana) American Paging, Inc. (of Kentucky) American Paging, Inc. (of Louisiana) American Paging, Inc. (of Maryland) American Paging, Inc. (of Massachusetts) American Paging, Inc. (of Minnesota) American Paging of Missouri, Inc. American Paging, Inc. (of New Mexico) American Paging, Inc. (of New York) American Paging, Inc. (of North Carolina) American Paging, Inc. (of Ohio) American Paging, Inc. (of Oklahoma) American Paging, Inc. (of Rhode Island) American Paging, Inc. (of South Carolina) American Paging, Inc. (of Tennessee) American Paging, Inc. (of Texas) American Paging, Inc. (of Utah) American Paging, Inc. (of Virginia) American Paging, Inc. (of Wisconsin) American Paging Network, Inc. APIXUS, Inc. Texas Paging Transmission, Inc. 5 EXHIBIT 21 CELLULAR COMPANIES United States Cellular Corporation USCOC of Arkansas RSA #1, Inc Arkansas RSA #9, Inc Block B Cellular Corporation California Rural Service Area #1, Inc. California RSA #2, Inc. California RSA #9, Inc. USCOC of Florida RSA #2, Inc. Florida RSA #8, Inc. USCOC of Florida RSA #9, Inc. Florida RSA #10, Inc. USCOC of Georgia RSA #1, Inc. Georgia RSA #11, Inc. Georgia RSA #13, Inc. USCOC of Hawaii-3, Inc. USCOC of Idaho RSA #5, Inc. USCOC of Illinois RSA #1, Inc. Illinois RSA #3, Inc. USCOC of Illinois RSA #4, Inc. Indiana RSA #1, Inc. USCOC of Indiana RSA #2, Inc. Indiana RSA #4, Inc. Indiana RSA #5, Inc. USCOC of Indiana RSA #7, Inc. USCOC of Iowa RSA #1, Inc. Iowa RSA #2, Inc. Iowa RSA #3, Inc. Iowa RSA #9, Inc. Iowa RSA #12, Inc. Iowa 13, Inc. Kansas RSA #5, Inc. Kentucky RSA #1, Inc. Kentucky RSA #2, Inc. Kentucky RSA #3, Inc. Kentucky RSA #9-10, Inc. Maine RSA #1, Inc. Maine RSA #4, Inc. Michigan RSA #4, Inc. Mississippi RSA #9, Inc. USCOC of Missouri RSA #1, Inc. USCOC of Missouri RSA #4, Inc. USCOC of Missouri RSA #5, Inc. USCOC of Missouri RSA #13, Inc. Missouri #15 Rural Cellular, Inc. Missouri RSA #17, Inc. NH #1 Rural Cellular, Inc. USCOC of New York RSA #1, Inc. USCOC of New York RSA #6, Inc. North Carolina RSA #4, Inc. North Carolina RSA #5, Inc. North Carolina RSA No. 6, Inc. -6- EXHIBIT 21 USCOC of North Carolina RSA #7, Inc. North Carolina RSA #9, Inc. North Carolina RSA #12, Inc. USCOC of North Carolina RSA #13, Inc. USCOC of North Carolina RSA #14, Inc. North Carolina RSA #14, Inc. Ohio 1 Acquisition Corp. Ohio RSA #1, Inc. USCOC of Ohio RSA #7, Inc. Ohio RSA #9, Inc. Oklahoma Opco of RSA #8, Inc. Oklahoma #9 Rural Cellular, Inc. USCOC of Oklahoma RSA #10, Inc. Oregon RSA #2, Inc. Oregon RSA #3, Inc. USCOC of Oregon RSA #5, Inc. Oregon RSA #6, Inc. USCOC of Pennsylvania RSA #9, Inc. USCOC of South Carolina RSA #4, Inc. Tennessee RSA #3, Inc. Tennessee RSA #4 Sub 2, Inc. Tennessee RSA #6 B, Inc. Texas RSA #4, Inc. Texas RSA #5, Inc. Texas RSA #11, Inc. USCOC of Texas RSA #18, Inc. Texas #20 Rural Cellular, Inc. USCOC of Virginia RSA #4, Inc. Virginia RSA #4, Inc. Virginia RSA #7, Inc. USCOC of Washington-4, Inc. Washington RSA #5, Inc. Washington RSA #6, Inc. USCOC of West Virginia RSA #2, Inc. West Virginia RSA #4, Inc. West Virginia RSA #5, Inc. USCOC of Wisconsin RSA #6, Inc. Wisconsin RSA #8, Inc. USCIC of Colorado RSA #3, Inc. Western Colorado Cellular, Inc. Idaho Invco of RSA #1, Inc. Kentucky Invco of RSA #3, Inc. MaryPennWest Invco of RSA #1, #10 and #3, Inc. Minnesota Invco of RSA #5, Inc. Minnesota Invco of RSA #7, Inc. Minnesota Invco of RSA #8, Inc. Minnesota Invco of RSA #9, Inc. Minnesota Invco of RSA #10, Inc. Minnesota Invco of RSA #11, Inc. USCIC of North Carolina RSA #1, Inc. Oregon Invco of RSA #2 West, Inc. Pennsylvania Invco of RSA #5, Inc. Pennsylvania Invco of RSA #6, Inc. -7- EXHIBIT 21 Texas Invco of RSA #6, Inc. Texas Invco of RSA #17, Inc. TDS U2B Acquisition Corp. Virginia Invco of RSA #2, Inc. Wisconsin Invco of RSA #7, Inc. Camden Cellular Telephone Company, Inc. Community Cellular Telephone Company Farmers Cellular Telephone Company, Inc. Farmers Mutual Cellular Telephone Company, Inc. Hancock Cellular Telephone Company, Inc. Hardy Cellular Telephone Company Hill City Cellular Telephone Company Humphreys County Cellular, Inc. Jefferson Cellular Telephone Company Lake Livingston Cellular Telephone Company Laurel Highland Cellular Telephone Company McDaniel Cellular Telephone Company Minford Cellular Telephone Company Peace Valley Cellular Telephone Company Pine Island Cellular Telephone Company Randolph Cellular Telephone Company Scott County Cellular Telephone Company South Canaan Cellular Telephone Company Venus Cellular Telephone Company, Inc. Walnut Hill Cellular Telephone Company West Side Cellular Telephone Company United States Cellular Investment Company United States Cellular Investment Co. of Allentown USCIC of Amarillo, Inc. USCIC of Arecibo, Inc. United States Cellular Investment Company of Baton Rouge United States Cellular Investment Company of Binghamton, Inc. USCIC of Brownsville, Inc. United States Cellular Investment Co. of Charleston, Inc. United States Cellular Investment Company of Eau Claire, Inc. Universal Cellular for Eau Claire MSA, Inc. United States Cellular Investment Company of Fresno, Inc. United States Cellular Investment Company of Ft. Myers United States Cellular Investment Company of Ft. Smith United States Cellular Investment Company of Galveston United States Cellular Investment Company of Green Bay, Inc. United States Cellular Investment Company of Huntsville United States Cellular Investment Company of Iowa City USCIC of Jackson, Inc. United States Cellular Investment Company of Lafayette United States Cellular Investment Corporation of Los Angeles United States Cellular Investment Company of Madison, Inc. USCIC of McAllen, Inc. USCIC of Midland, Inc. United States Cellular Investment Co. of Nashville USCIC of New Orleans, Inc. USCIC of Ocala, Inc. -8- EXHIBIT 21 United States Cellular Investment Co. of Oklahoma City, Inc. United States Cellular Investment Company of Portsmouth, Inc. United States Cellular Investment Company of Raleigh-Durham USCIC of Reno, Inc. United States Cellular Investment Company of Rockford United States Cellular Investment Company of Santa Cruz, Inc. United States Cellular Investment Company of Sarasota USCIC of Seattle, Inc. United States Cellular Investment Company of South Bend, Inc. United States Cellular Investment Company of St. Cloud United States Cellular Investment Company of Wheeling United States Cellular Operating Company United States Cellular Operating Company of Atlantic City, Inc. United States Cellular Operating Company of Bangor United States Cellular Operating Company of Biloxi United States Cellular Operating Company of Cedar Rapids United States Cellular Operating Company of Columbia USCOC of Cumberland, Inc. United States Cellular Operating Company - Des Moines United States Cellular Operating Company of Dubuque United States Cellular Operating Company of Evansville, Inc. United States Cellular Operating Company of Ft. Pierce USCOC of Gainesville, Inc. USCOC of Iowa City, Inc. United States Cellular Operating Company of Joplin United States Cellular Operating Company of Knoxville United States Cellular Operating Company of LaCrosse, Inc. United States Cellular Operating Company of Lewiston-Auburn United States Cellular Operating Company of Manchester-Nashua, Inc. United States Cellular Operating Company of Medford United States Cellular Operating Company of Montgomery, Inc. United States Cellular Operating Company of Owensboro United States Cellular Operating Company of Peoria USCOC of Portland, Inc. United States Cellular Operating Company of Poughkeepsie, Inc. United States Cellular Operating Company - Quad Cities United States Cellular Operating Company of Richland United States Cellular Operating Company of Rochester USCOC of Tallahassee, Inc. USCOC of Texahoma, Inc. United States Cellular Operating Company of Tulsa, Inc. USCOC of Victoria, Inc. United States Cellular Operating Company of Vineland, Inc. United States Cellular Operating Company of Waterloo United States Cellular Operating Company of Wausau, Inc. United States Cellular Operating Company of Williamsport United States Cellular Operating Company of Yakima Canton Cellular Telephone Company Capitol Cellular, Inc. Carolina Cellular, Inc. Cellular America Telephone Company -9- EXHIBIT 21 Central Cellular Telephones, Ltd. Central Florida Cellular Telephone Company, Inc. Chibardun Cellular Telephone Corporation CSII of Baton Rouge, Inc. Davenport Cellular Telephone Company, Inc. DRGP, Inc. Dutchess County Cellular Telephone Company, Inc. Four D Ltd. Huntsville Cellular Telephone Corp., Inc. ILP, Inc. Joplin Cellular Telephone Company LaCrosse Cellular Telephone Company, Inc. Lar-Tex Cellular Telephone Company, Inc. Lavaca Cellular Telephone Company Leaf River Valley Cellular Telephone Company Mississippi Cellular Telephone Company Star Cellular Telephone Company, Inc. Star Cellular Communications, Inc. Texahoma Cellular Telephone Corporation Tri-States Cellular Communications Inc. Tulsa General Partner, Inc. USCC Real Estate Corporation Victoria Cellular Corporation Vineland Cellular Telephone Company, Inc. -10-