State Telephone Associations
- Alabama-Mississippi Telephone Association
- Alaska Telephone Association
- Arizona-New Mexico Telephone Association
- Arkansas Telecommunications Association
- California Telephone Association
- Canadian Independent Telephone Association
- Carolina-Virginia Telephone Membership Association
- Colorado Telecommunications Association
- Florida Telecommunications Industry Association
- Georgia Telephone Association
- Idaho Telephone Association
- Illinois Telecommunications Association, Inc.
- Illinois Telephone Cooperative Association
- Indiana Telecommunications Association
- Telephone Co-ops of Indiana, Inc.
- Iowa Telecommunications Association
- Rural Iowa Independent Telephone Association
- Kansas Telecommunications Industry Association
- State Independent Telephone Association of Kansas
- Kentucky Telephone Association
- Louisiana Telecommunications Association
- Telephone Association of Maine
- Michigan Exchange Carriers Association
- Telecommunications Association of Michigan
- Association of Minnesota Telephone Utilities
- Minnesota Telecom Alliance
- Missouri Telecommunications Industry Association
- Montana Independent Telecommunications Systems
- Montana Telecommunications Association
- Nebraska Independent Telephone Association
- Nebraska Telecommunications Association
- Nevada Telecommunications Association
- Telephone Association of New England
- New Hampshire Telecommunications Association
- New Mexico Exchange Carriers
- New York State Telecommunications Association
- The Alliance of North Carolina Independent Telephone Companies
- North Carolina Telephone Association
- North Dakota Association of Telephone Cooperatives
- North Dakota Telephone Association
- Ohio Telecommunications Industry Association
- Oklahoma Telephone Association
- Ontario Telecommunications Association
- Oregon Telecommunications Association
- Pennsylvania Telephone Association
- Rocky Mountain Telecommunications Association
- South Carolina Telephone Association
- South Dakota Associations of Telephone Cooperatives
- South Dakota Telecommunications Association
- Tennessee Telecommunications Association
- Texas Telephone Association
- Texas Statewide Telephone Cooperative
- Utah Rural Telecom Association
- Telephone Association of Vermont
- Virginia Telecommunications Industry Association
- Eastern Rural Telecom Association
- Washington Independent Telephone Association
- West Virginia Telephone Association
- Western Rural Telephone Association
- Wisconsin State Telecommunications Association
- Wyoming Telephone Association