JCOM 2012.12.31 EX-23.1

We consent to the incorporation by reference in Registration Statement (Nos. 333-31064, 333-64986. 333-55402, 333-87504, 333-135340 and 333-149641) on Forms S-8 of j2 Global, Inc. and subsidiaries of our reports dated March 1, 2013, relating to our audits of the consolidated financial statements, the financial statement schedule and internal control over financial reporting, which appear in this Annual Report on Form 10-K of j2 Global, Inc. and subsidiaries for the year ended December 31, 2012.