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EX-21 9 lumn20231231ex21.htm EX-21 Lumen Technologies, Inc - Subsidiaries of Registrant .

Exhibit 21
LUMEN TECHNOLOGIES, INC.
SUBSIDIARIES OF THE REGISTRANT
AS OF December 31, 2023
Subsidiary State of
incorporation
or formation
Actel, LLCDelaware
Bloomingdale Telephone Company, Inc. Michigan
Century Cellunet International, Inc. Louisiana
Cellunet of India Limited Mauritius
Century Telephone of West Virginia, Inc. West Virginia
Lumen Clarke M. Williams Foundation Colorado
CenturyLink Community Giving Foundation, Inc. Colorado
CenturyLink Communications, LLC Delaware
Boxgate Holdings, LLC Delaware
ELASTICBOX INC., SUCURSAL EN ESPAÑA Spain
Q Fiber, LLC Delaware
Qwest International Services Corporation Delaware
Qwest Transoceanic, Inc.Delaware
Qwest Communications International Ltd. United Kingdom
CenturyLink Limited United Kingdom
Qwest Peru S.R.L. Peru
SEAL Consulting, Inc. New Jersey
Lumen Technologies Philippines, Inc. Philippines
Lumen Technology Services Taiwan Limited Taiwan
Lumen Technologies Hong Kong Limited Hong Kong
Lumen Technologies Colocation Hong Kong Limited Hong Kong
Lumen Technologies Services (Shanghai) Co., Ltd. China
Digital Savvis HK JV Limited British VI
Digital Savvis HK Holding 1 Limited British VI
Digital Savvis Investment Management HK Limited Hong Kong
Digital Savvis Management Subsidiary LimitedHong Kong
Lumen Technologies Services Malaysia Sdn. Bhd Malaysia
Lumen Technologies (Thailand) Limited Thailand
CenturyLink Canada, Inc. Canada
SAVVIS Communications Chile, S.A. Chile
SAVVIS Federal Systems, Inc. Delaware
SAVVIS Communications International, Inc. Delaware
Lumen Technologies Korea Limited Korea
SAVVIS Communications Private Limited India
SAVVIS Mexico, S.A. de C.V. Mexico
Egnyte, Inc. Delaware
Wam!Net Japan K.K. Japan
CenturyTel Broadband Wireless, LLC Louisiana
Qwest Broadband Services, Inc. Delaware
CenturyTel of Chester, Inc. Iowa


Subsidiary State of
incorporation
or formation
CenturyTel Holdings, Inc. Louisiana
Century Marketing Solutions, LLC Louisiana
CenturyTel Arkansas Holdings, Inc.Arkansas
CenturyTel Holdings Alabama, Inc. Alabama
CenturyTel Holdings Missouri, Inc. Missouri
CenturyTel of the Northwest, Inc. Washington
Cascade Autovon Company Washington
CenturyTel/Cable Layers, Inc. Wisconsin
CenturyTel of Colorado, Inc. Colorado
CenturyTel of Eagle, Inc. Colorado
CenturyTel of Eastern Oregon, Inc. Oregon
CenturyTel Entertainment, Inc. Washington
CenturyTel of the Gem State, Inc. Idaho
CenturyTel of Inter Island, Inc. Washington
CenturyTel of Minnesota, Inc. Minnesota
CenturyTel of Montana, Inc. Oregon
CenturyTel of Oregon, Inc. Oregon
CenturyTel of Paradise, Inc. Washington
CenturyTel of Cowiche, Inc. Washington
CenturyTel of Postville, Inc. Iowa
CenturyTel of the Southwest, Inc. New Mexico
CenturyTel Telecom Service, Inc. Washington
CenturyTel Telephone Utilities, Inc. Washington
CenturyTel of Washington, Inc. Washington
CenturyTel/WORLDVOX, Inc. Oregon
CenturyTel of Wyoming, Inc. Wyoming
Eagle Valley Communications Corporation Colorado
Pacific Telecom, Inc. (Shell) Oregon
Universal Manufacturing Corp. Wisconsin
CenturyLink Minnesota, Inc. Minnesota
CenturyLink of Florida, Inc. Florida
CenturyLink Interactive Holdings LLC Delaware
CenturyLink Interactive Markets LLC Delaware
CenturyLink Management Company Delaware
CenturyLink Network Company, LLC Delaware
CenturyLink of Nevada, LLC Delaware
CenturyLink Intellectual Property LLC Delaware
CenturyLink Sales Solutions, Inc. Delaware
United Telephone Company of the Northwest Oregon
United Telephone Company of the West Delaware
Valley Network Partnership Virginia
CenturyTel of Idaho, Inc. Delaware
CenturyTel Internet Holdings, Inc. Louisiana
centurytel.com, LLC Louisiana


Subsidiary State of
incorporation
or formation
CenturyTel Investments, LLC Louisiana
CenturyTel Mobile Communications, Inc. Louisiana
CenturyTel SM Telecorp, Inc. Texas
CenturyTel Telecommunications, Inc. Texas
Lumen Technologies Service Group, LLC Louisiana
SIS Holdings LP Delaware
CenturyTel Supply Group, Inc. Louisiana
CenturyTel Web Solutions, LLC Louisiana
Hillsboro Telephone Company, Inc. Wisconsin
Lafayette MSA Limited Partnership Delaware
Qwest Communications International, Inc. Delaware
Qwest Capital Funding, Inc. Colorado
Qwest Services Corporation Colorado
CenturyLink Investment Management Company Colorado
Qwest Corporation Colorado
RiskSense, Inc. Delaware
1200 Landmark Center Condominium Association, Inc. Nebraska
Qwest Database Services, Inc. Colorado
Qwest India Holdings, LLC Delaware
Lumen IT India Private Limited India
Seal Infotech Private Limited India
The El Paso County Telephone Company Colorado
MoveARoo, LLC Delaware
Qwest Dex Holdings, Inc. Delaware
Lumen Technologies Government Solutions, Inc. Colorado
Qwest Wireless, L.L.C. Delaware
TelUSA Holdings, LLC Delaware
Telephone USA of Wisconsin, LLC Delaware
Western Re, Inc. Louisiana
Wildcat Holdco LLC Delaware
Level 3 Parent, LLC Delaware
Legend Circle Holdings, Inc. Delaware
Eldorado Acquisition Two, Inc. Delaware
Level 3 EON, LLC Delaware
Level 3 Financing, Inc. Delaware
Streamroot, Inc. Delaware
Streamroot SAS France
Level 3 Holdings, Inc. Delaware
Continental Holdings, Inc. Wyoming
KMI Continental Lignite, Inc. Delaware
Continental Level 3, Inc. Delaware
Continental Mineral Sales, Inc. Delaware
CCC Canada Holding, Inc. Delaware
AmSoft Information Services Limited Mauritius


Subsidiary State of
incorporation
or formation
Level 3 International Services, Inc. Delaware
BTE Equipment, LLC Delaware
Level 3 Communications Canada Co. Nova Scotia
Level 3 Communications, LLC Delaware
Level 3 Communications of Virginia, Inc. Virginia
XCOM Technologies of New York, Inc. New York
IP Networks, Inc. Delaware
TelCove Operations, LLC Delaware
TelCove of Pennsylvania, LLC Delaware
WilTel Communications (Cayman) Limited Cayman Islands
WilTel International Telecom (Chile) Limited Cayman Islands
Williams Comunicaciones Chile Limitada Chile
WilTel Communications Network, Inc. Canada
WilTel Communications, LLC Delaware
WilTel Communications Pty Limited Australia
Vyvx, LLC Delaware
FTV Communications, LLC Delaware
Broadwing, LLC Delaware
ACME Grating Ventures, L.L.C. Delaware
Broadwing Communications, LLC Delaware
Corvis Gratings Company Nova Scotia, Canada
Corvis Canada Inc. Quebec, Canada
Global Crossing North American Holdings, Inc. Delaware
Global Crossing North America, Inc. New York
Global Crossing Telecommunications, Inc. Michigan
Global Crossing Local Services, Inc. Michigan
Global Crossing Telemanagement VA, LLC Virginia
Lumen Technologies Puerto Rico, LLC Puerto Rico
Lumen Technologies St. Croix, LLC US Virgin Islands
Level 3 Enhanced Services, LLC Delaware
Level 3 Telecom, LLC Delaware
Level 3 Telecom Holdings, LLC Delaware
Level 3 Telecom Data Services, LLC Delaware
Level 3 Telecom of Arizona, LLC Delaware
Level 3 Telecom of Colorado, LLC Delaware
Level 3 Telecom of Idaho, LLC Delaware
Level 3 Telecom of Illinois, LLC Delaware
Level 3 Telecom of Iowa, LLC Delaware
Level 3 Telecom of Minnesota, LLC Delaware
Level 3 Telecom of New Mexico, LLC Delaware
Level 3 Telecom of Ohio, LLC Delaware
Level 3 Telecom of Oregon, LLC Delaware
Level 3 Telecom of South Carolina, LLC Delaware
Level 3 Telecom of Tennessee, LLC Delaware


Subsidiary State of
incorporation
or formation
Level 3 Telecom of Texas, LLC Delaware
Level 3 Telecom of Utah, LLC Delaware
Level 3 Telecom of Washington, LLC Delaware
Level 3 Telecom Management Co., LLC Delaware
Xspedius Management Co. International, LLC Delaware
Level 3 Telecom of Alabama, LLC Delaware
Level 3 Telecom of Arkansas, LLC Delaware
Level 3 Telecom of DC, LLC Delaware
Level 3 Telecom of Kansas City, LLC Delaware
Level 3 Telecom of Kentucky, LLC Kentucky
Level 3 Telecom of Louisiana, LLC Delaware
Level 3 Telecom of Maryland, LLC Delaware
Level 3 Telecom of Mississippi, LLC Delaware
Level 3 Telecom of Nevada, LLC Delaware
Level 3 Telecom of Oklahoma, LLC Delaware
Level 3 Telecom of Virginia, LLC Virginia
Level 3 Telecom Holdings II, LLC Delaware
Level 3 Telecom, LP Delaware
Level 3 Telecom of California, LP Delaware
Level 3 Telecom of Florida, LP Delaware
Level 3 Telecom of Georgia, LP Delaware
Level 3 Telecom of Hawaii, LP Delaware
Level 3 Telecom of Indiana, LP Delaware
Level 3 Telecom of New Jersey, LP Delaware
Level 3 Telecom of New York, LP Delaware
Level 3 Telecom of North Carolina, LP Delaware
Level 3 Telecom of Wisconsin, LP Delaware
Level 3 Asia, Inc. Delaware
Level 3 Communications (Asia Pacific) Ltd. Hong Kong
Level 3 International, Inc. Delaware
Level 3 CDN International, Inc. Delaware
Lumen Technologies New Zealand Limited New Zealand
Lumen Technologies APAC Holdings Limited United Kingdom
Level 3 Communications Australia Pty Ltd Australia
Level 3 Communications Hong Kong Limited Hong Kong
Lumen Communications India Private Limited India
Lumen Technologies Asia Pacific Holdings Limited Hong Kong
Lumen Technologies Australia Pty Ltd Australia
Lumen Technologies Japan KK Japan
Level 3 Communications Japan KK Japan
Qwest Communications Korea, Limited Korea
Qwest Hong Kong Telecommunications, Limited Hong Kong
Lumen Technologies Singapore Pte. Ltd. Singapore
Qwest Taiwan Telecommunications, Limited Taiwan


Subsidiary State of
incorporation
or formation
Lumen Technologies Europe Holdings Limited United Kingdom
Lumen Technologies CDN Ireland Limited Ireland
Lumen Technologies Solutions UK Limited United Kingdom
Lumen Technologies Solutions Poland S.P. Z.O.O. Poland
Level 3 Telecom DE 1, LLC Delaware
Level 3 Telecom DE 2, LLCDelaware
Level 3 Telecom DE 3, LLC Delaware
Level 3 Telecom C, LLC Delaware
Level 3 Telecom C1 Limited Cayman Islands
Level 3 Telecom C2 Limited Cayman Islands