EXHIBIT 21.1 Subsidiaries of the Registrant Name of Subsidiary State or Other Jurisdiction Other Names Under Which - - ------------------ --------------------------- ----------------------- of Incorporation or Organization Subsidiary Does Business -------------------------------- ------------------------ Qwest Communications Corporation/1/ Delaware a) Qwest Communications Corporation d/b/a Qwest Communications The Power of Connections b) Qwest Communications Corporation of Delaware c) Qwest Communications Corporation d/b/a The Power of Connections d) Qwest Communications The Power of Connections, Inc. Qwest Corporation Colorado None SuperNet, Inc. Colorado None - - ------------------------------- /1/ Qwest Communications Corporation also uses the trade name "SP Construction Services." 21-1