EX-21.1 3 dex211.htm LIST OF SUBSIDIARIES OF J2 GLOBAL List of Subsidiaries of j2 Global

EXHIBIT 21.1

 

List of Subsidiaries of

j2 Global Communications, Inc.

 

Name
   State or Other Jurisdiction of Incorporation
   DBAs
eFax.com   Delaware    
SureTalk.com, Inc.   Delaware   Fax4Free.com
ProtoDyne, Inc.   California   Protofax
Documagix, Inc.   California    
j2 Latin America, Inc.   Delaware    
dotCOM, Ltd.   Hong Kong   Cyberbox
Driverworks.com Development Corporation   California   M4Internet