| Centennial Desoto Cellular Corp. | Centennial Wireless | Wall, NJ | Inactive |
| Centennial Hammond Cellular, LLC | Centennial Wireless | North Palm Beach, FL | Inactive |
| Centennial Lafayette Communications, LLC | Centennial Wireless | North Palm Beach, FL | Inactive |
| Centennial Lake Charles, LLC | Centennial Lake Wireless | Wall, NJ | Inactive |
| Centennial Michigan RSA 6 Cellular Corp. | Centennial Wireless | Wall, NJ | Inactive |
| Centennial Michigan RSA-7 Cellular Corp. | Centennial Wireless | Wall, NJ | Inactive |
| Centennial Morehouse Cellular, LLC | AT&T Mobility | North Palm Beach, FL | Inactive |
| Centennial Puerto Rico Operations Corp. | Centennial De Puerto Rico | North Palm Beach, FL | Inactive |
| Centennial Randolph Cellular, LLC | Centennial Wireless | Wall, NJ | Inactive |
| Centennial USVI Operations Corp. | Centennial USVI | North Palm beach, FL | Inactive |
| Central Florida Cellular Telephone Company, Inc. | United States Cellular | Little Rock, AR | Inactive |
| Central Louisiana Cellular, LLC | - | Wayne, PA | Active |
| Central Stearns Comsis, Inc. | - | Albany, MN | Active |
| Century El Centro Cellular Corp. | Centennial Wireless | Wall, NJ | Inactive |
| Chama Communication | - | Burr Ridge, IL | Inactive |
| Chama Wireless, LLC | - | Atlanta, GA | Inactive |
| Chariton Valley Communication Corporation | - | Macon, MO | Inactive |
| Charleston-North Charleston MSA Limited Partnershi | ALLTEL | Little Rock, AR | Inactive |
| Charlottesville Cellular Partnership | United States Cellular | Chicago, IL | Inactive |
| Chattanooga Cellular Telephone Company | Verizon Wireless | Bedminster, NJ | Inactive |
| Chattanooga MSA Ltd. Partnership | Cingular Wireless | Alpharetta, GA | Inactive |
| Cheap Talk | - | Monsey, NY | Inactive |
| Chicago 20MHz, LLC | PrimCo Personal Communication Services | Itasca, IL | Inactive |
| Chicago 20Mhz, LLC | Verizon Wireless | Bedminster, NJ | Inactive |
| Chicago SMSA Limited Partnership | Verizon Wireless | Bedminster, NJ | Inactive |
| Chill Cellular Corporation for ACC New York II Lic | Cellular One | Oklahoma City, OK | Inactive |
| Chit Chat Holdings LLC | Chit Chat Mobile | Wichita, KS | Active |
| Choice Wireless, L.C. | Choice Wireless | Witchita Falls, TX | Active |
| Cincinnati Bell Wireless, LLC | - | Cincinnati, OH | Inactive |
| Cincinnati SMSA Limited Partnership | Cingular Wireless | Atlanta, GA | Inactive |
| Cingular Wireless, LLC- CONSOLIDATED | Cingular Wireless | Atlanta, GA | Inactive |
| Cintex Group, LLC. | Liberty Wireless, Movida Cellular | Rockville, MD | Inactive |
| Cintex Wireless, LLC | Cintex and Liberty Wireless | Houston, TX | Active |
| Cinthex, LLC. | CInthex LLC dba i-wireless, LLC. | NEWPORT, KY | Active |
| Citrus Cellular Limited Partnership | AT&T Wireless Services, Inc. | Redmond, WA | Inactive |
| Claircom Licensee Corporation | AT&T Wireless Services, Inc. | Redmond, WA | Inactive |
| Clarks Telecom Co. | - | Clarks, NE | Inactive |
| Clay County Communications, LLC. | - | Everly, IA | Inactive |
| Clear Voice, LLC. | - | Brooklyn, NY | Inactive |
| Cleveland PCS, LLC | Northcoast PCS | Melville, NY | Active |
| Cleveland Unlimited, Inc. | - | Independence, OH | Inactive |
| Cloven, Inc | - | Lakeside, CA | Active |
| Clowers Communications, Inc. | Clowd Wireless | Fayetteville, GA | Inactive |
| Coast To Coast Cellular, Inc. | - | Johnstown, PA | Inactive |
| Coconino, Arizona RSA Limited Partnership | Verizon Wireless | Bedminster, NJ | Inactive |
| Colorado 4 - Park Limited Partnership | Verizon Wireless | Bedminster, NJ | Inactive |
| Colorado 7 - Saguache Limited Partnership | Verizon Wireless | Basking Ridge, NJ | Active |
| Colorado RSA No. 3 Limited Partnership | Verizon Wireless | Bedminster, NJ | Inactive |
| Columbus Cellular Telephone Company | Cellular One | Saddlebrook, NJ | Inactive |
| ComScape Telecommunications of Raleigh-Durham, Inc | - | West Palm Beach, FL | Active |