APPENDIX A

ACC Long Distance Corp. (ACC Long Distance)

Ad Hoc Telecommunications Users Committee (Ad Hoc)

AirTouch Communications, Inc. (AirTouch)

Alabama Public Service Commission (Alabama Commission)

Alaska Telephone Association

Aliant Communications Co., formerly Lincoln Telephone (Aliant)

Allied Communications Group, Inc. (Allied)

Alliance for Public Technology

ALLTEL Telephone Services Corporation (ALLTEL)

American Association for Adult and Continuing Education, et al.

American Assocation for Retired Persons, et al. (AARP, et al.)

America On-Line, Inc. (America On-Line)

American Library Association

American Petroleum Institute (API)

America's Carriers Telecommunication Association (ACTA)

Ameritech

Association for Local Telecommunications Services (ALTS)

AT&T Corp. (AT&T)

Bankers Clearing House, et al.

Bell Atlantic Telephone Companies and NYNEX (BA/NYNEX)

BellSouth Corporation, BellSouth Telecommunications, Inc. (BellSouth)

Cable & Wireless, Inc. (Cable & Wireless)

[People of the State of] California and the Public Utility Commission of the State of

California (California Commission)

California Cable Television Association

Cathey, Hutton and Associates

Centennial Cellular Corporation

Cincinnati Bell Telephone Company (Cincinnati Bell)

Citizens for a Sound Economy Foundation (CSE)

Citizens Utilities Company (Citizens Utilities)

Commercial Internet Exchange Association (CIEA)

Communications Workers of America (CWA)

Competition Policy Institute

Competitive Telecommunications Association (CompTel)

CompuServe, Inc. and Prodigy Services Corporation (CompuServe/Prodigy)

Consumer Project on Technology (Consumer Project)

[Public Service Commission of the] District of Columbia (District of Columbia Commission)

Evans Telephone Company, et al. (Evans, et al.)

Excel Telecommunications, Inc. (Excel)

Florida Public Service Commission (Florida Commission)

Frederick & Warinner, L.L.C. (Frederick & Warinner)

Frontier Corporation (Frontier)

General Communication, Inc. (GCI)

General Services Administration/United States Department of Defense (GSA/DOD)

Gallegos Family Network (Gallegos)

Gray Panthers

GVNW Inc./Management (GVNW)

GTE Service Corporation (GTE)

Harris, Skrivan & Associates, LLC (Harris, Skrivan & Associates)

ICG Telecom Group, Inc. (ICG)

Illinois Commerce Commission (Illinois Commission)

Illuminet

Independent Telephone & Telecommunications Alliance

Information Industry Association

Interactive Services Association

International Communications Association (Intl. Comm. Ass'n)

Internet Access Coalition

ITCs, Inc. (ITC)

IXC Long Distance, Inc.

Kansas Corporation Commission (Kansas Commission)

LCI International Telecom Corp. (LCI)

MCI Telecommunications Corporation (MCI)

Media Access Project, et al. (MAP, et al.)

Microsoft Corporation (Microsoft)

Minnesota Independent Coalition

Missouri Public Service Commission (Missouri Commission)

National Association of Regulatory Utility Commissioners (NARUC)

National Cable Television Association, Inc. (NCTA)

National Exchange Carrier Association, Inc. (NECA)

New York State Department of Public Service (New York Commission)

Newspaper Association of America

Northern Arkansas Telephone Company

[Commonwealth of] Northern Marianna Islands (Northern Marianna Islands)

[Public Utilities Commission of] Ohio (Ohio Commission)

Ohio Consumers' Counsel

[Public Utility Commission of] Oregon (Oregon Commission)

Ozarks Technical Community College

Pacific Telesis Group (PacTel)

Pennsylvania Internet Service Providers

Personal Communications Industry Association (PCIA)

Puerto Rico Telephone Company (Puerto Rico Tel.)

[Jon] Radoff (Radoff)

Roseville Telephone Company (Roseville Tel.)

Rural Telephone Coalition (Rural Tel. Coalition)

Rural Telephone Finance Cooperative

Rural Utilities Service

SDN Users Association Inc. (SDN Users Association)

Service-oriented Open Network Technologies, Inc. (SONETECH)

South Dakota Public Utilities Commission (South Dakota Commission)

Southern New England Telephone Company (SNET)

Southwestern Bell Telephone Company (SWBT)

Spectranet Interactive, Inc. (Spectranet)

Sprint Corporation (Sprint)

State Consumer Advocates

[John] Staurulakis, Inc. (Staurulakis)

TCA, Inc.-Telecommunications Consultants (TCA)

TDS Telecommunications Corporation (TDS)

Telco Communications Group, Inc. (Telco Communications Group)

Tele-Communications, Inc. (TCI)

Telecommunications Resellers Association (TRA)

Teleport Communications Group Inc. (Teleport)

Tennessee Regulatory Authority (Tennessee Commission)

[Public Utility Commission of] Texas (Texas Commission)

Texas Office of Public Utility Counsel (Texas Public Utility Counsel)

Time Warner Communications Holdings, Inc. (Time Warner)

United States Telephone Association (USTA)

U S West, Inc. (U S West)

Washington Independent Telephone Association (WITA)

Washington Utilities and Transportation Commission (Washington Commission)

Lyman C. Welch

Western Alliance

WinStar Communications, Inc. (WinStar)

WorldCom, Inc. (WorldCom)

ACC Long Distance Corp. (ACC Long Distance)

Ad Hoc Telecommunications Users Committee (Ad Hoc)

Alarm Industry Communications Committee

[State of] Alaska (Alaska Commission)

Aliant Communications Co., formerly Lincoln Telephone (Aliant)

Alliance for Public Technology

ALLTEL Telephone Services Corporation (ALLTEL)

American Association for Adult and Continuing Education, et al.

American Assocation for Retired Persons, et al. (AARP, et al.)

America On-Line, Inc. (America On-Line)

American Communications Services, Inc.

American Petroleum Institute (API)

Ameritech

Arch Communications Group, Inc. (Arch Communications)

Association for Local Telecommunications Services (ALTS)

AT&T Corp. (AT&T)

Bankers Clearing House, et al.

Bell Atlantic Telephone Companies and NYNEX (BA/NYNEX)

BellSouth Corporation, BellSouth Telecommunications, Inc. (BellSouth)

[People of the State of] California and the Public Utility Commission of the State of

California (California Commission)

Colorado Library Education and Healthcare Telecommunications Coalition

Commercial Internet Exchange Association (CIEA)

Competitive Telecommunications Association (CompTel)

CompuServe, Inc. and Prodigy Services Corporation (CompuServe/Prodigy)

Consumer Project on Technology (Consumer Project)

Cox Communications, Inc. (Cox)

General Communication, Inc. (GCI)

General Services Administration/United States Department of Defense (GSA/DOD)

Georgia Public Service Commission (Georgia Commission)

Consumers' Utility Counsel Division, (Georgia) Governor's Office of Consumer Affairs

(Georgia Consumers' Utility Counsel)

GVNW Inc./Management (GVNW)

GTE Service Corporation (GTE)

State of Hawaii (Hawaii Commission)

ICG Telecom Group, Inc. (ICG)

Internet Access Coalition

IXC Long Distance, Inc.

LCI International Telecom Corp. (LCI)

Maine Public Utilities Commission (Maine Commission)

MCI Telecommunications Corporation (MCI)

Media Access Project, et al. (MAP, et al.)

Minnesota Independent Coalition

Minnesota Internet Services Trade Association

National Cable Television Association, Inc. (NCTA)

National Exchange Carrier Association, Inc. (NECA)

[Public Utilities Commission of] Ohio (Ohio Commission)

Ohio Consumers' Counsel

Pacific Telesis Group (PacTel)

Personal Communications Industry Association (PCIA)

PSINet, Inc. (PSINet)

Puerto Rico Telephone Company (Puerto Rico Tel.)

Roseville Telephone Company (Roseville Tel.)

Rural Telephone Coalition (Rural Tel. Coalition)

Southern New England Telephone Company (SNET)

Southwestern Bell Telephone Company (SWBT)

Sprint Corporation (Sprint)

State Consumer Advocates

TDS Telecommunications Corporation (TDS)

Telco Communications Group, Inc. (Telco Communications Group)

Tele-Communications, Inc. (TCI)

Teleport Communications Group Inc. (Teleport)

Texas Association of Broadcasters

Texas Office of Public Utility Counsel (Texas Public Utility Counsel)

Time Warner Communications Holdings, Inc. (Time Warner)

United States Telephone Association (USTA)

U S West, Inc. (U S West)

WorldCom, Inc. (WorldCom)