Exhibit 21

Time Warner Telecom Subsidiaries



|                                           |  |                                           |  |      
|------------------------------------------ |  | ----------------------------------------- |  | -----
|Subsidiary                                 |  | Jurisdiction ofIncorporation/Organization |  | D/B/A
|Time Warner Telecom Holdings Inc.          |  | Delaware                                  |  |      
|Time Warner Telecom Holdings II LLC        |  | Delaware                                  |  |      
|TW Telecom L.P.                            |  | Delaware                                  |  |      
|Time Warner Telecom Management Co. LLC     |  | Delaware                                  |  |      
|Time Warner Telecom Data Services LLC      |  | Delaware                                  |  |      
|Xspedius Management Co. International, LLC |  | Delaware                                  |  |      
|Time Warner Telecom of Alabama LLC         |  | Delaware                                  |  |      
|Time Warner Telecom of Arizona LLC         |  | Delaware                                  |  |      
|Time Warner Telecom of Colorado LLC        |  | Delaware                                  |  |      
|Time Warner Telecom of D.C. LLC            |  | Delaware                                  |  |      
|Time Warner Telecom of Idaho LLC           |  | Delaware                                  |  |      
|Time Warner Telecom of Illinois LLC        |  | Delaware                                  |  |      
|Time Warner Telecom of Louisiana LLC       |  | Delaware                                  |  |      
|Time Warner Telecom of Kansas City LLC     |  | Delaware                                  |  |      
|Time Warner Telecom of Kentucky LLC        |  | Delaware                                  |  |      
|Time Warner Telecom of Maryland LLC        |  | Delaware                                  |  |      
|Time Warner Telecom of the Mid-South LLC.  |  | Delaware                                  |  |      
|Time Warner Telecom of Minnesota LLC       |  | Delaware                                  |  |      
|Time Warner Telecom of Nevada LLC          |  | Delaware                                  |  |      
|Time Warner Telecom of New Mexico LLC      |  | Delaware                                  |  |      
|Time Warner Telecom of Ohio LLC            |  | Delaware                                  |  |      
|Time Warner Telecom of Oklahoma LLC        |  | Delaware                                  |  |      
|Time Warner Telecom of Oregon LLC          |  | Delaware                                  |  |      
|Time Warner Telecom of South Carolina LLC  |  | Delaware                                  |  |      
|Time Warner Telecom of Utah LLC            |  | Delaware                                  |  |      
|Time Warner Telecom of Texas LLC           |  | Delaware                                  |  |      
|Time Warner Telecom of Utah LLC            |  | Delaware                                  |  |      
|Time Warner Telecom of Virginia LLC        |  | Virginia                                  |  |      
|Time Warner Telecom of Washington LLC      |  | Delaware                                  |  |      





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|                                            |  |                                           |  |                                                          
|------------------------------------------- |  | ----------------------------------------- |  | ---------------------------------------------------------
|Subsidiary                                  |  | Jurisdiction ofIncorporation/Organization |  | D/B/A                                                    
|Time Warner Telecom of California, L.P.     |  | Delaware                                  |  |                                                          
|Time Warner Telecom of Florida, L.P.        |  | Delaware                                  |  |                                                          
|Time Warner Telecom of Georgia, L.P.        |  | Delaware                                  |  |                                                          
|Time Warner Telecom of Hawaii, L.P.         |  | Delaware                                  |  | Oceanic Communications                                   
|Time Warner Telecom of Indiana, L.P.        |  | Delaware                                  |  |                                                          
|Time Warner Telecom of New Jersey, L.P.     |  | Delaware                                  |  |                                                          
|Time Warner Telecom - NY, L.P.              |  | Delaware                                  |  |                                                          
|Time Warner Telecom of North Carolina, L.P. |  | Delaware                                  |  | Time Warner Telecom of North Carolina Limited Partnership
|Time Warner Telecom of Wisconsin, L.P.      |  | Delaware                                  |  |