EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT STATE OR OTHER JURISDICTION OF INCORPORATION OTHER NAMES UNDER NAME OF SUBSIDIARY OR ORGANIZATION WHICH SUBSIDIARY DOES BUSINESS ------------------ --------------- --------------------------------- Qwest Communications Delaware (a) Qwest Communications Corporation(1) Corporation d/b/a Qwest Communications The Power of Connections (b) Qwest Communications Corporation of Delaware (c) Qwest Communications d/b/a The Power of Connections (d) Qwest Communications The Power of Connections, Inc. Qwest Corporation Colorado None SuperNet, Inc. Colorado None Phoenix Network, Inc. Delaware None Phoenix Telecom, Inc. Delaware None Phoenix Network, Inc. of New Hampshire New Hampshire None Phoenix Network Acquisition Corp. Delaware None Phoenix TNC Corporation Delaware None AmeriConnect, Inc. Delaware None Qwest 1998-L Acquisition Corp. Delaware None EUnet International Limited Delaware N/A - -------- (1) Qwest Communications Corporation also uses the trade name "SP Construction Services."