Contact us

If you have a general inquiry about Sfax, please use the form below. If you have received an inadvertent fax, please use this online form instead.

San Diego Office

2468 Historic Decatur Road #100
San Diego, CA 92106


9050 N. Capital of TX Hwy Ste. 3-250
Austin, TX 78759

Los Angeles Office (Sfax)

6922 Hollywood Blvd, Ste 500
Los Angeles, CA 90028


Sfax. Cloud faxing that works

Send, receive, annotate, digitally sign and manage faxes beautifully.


Document platform

Safely store, send, enhance and collaborate anywhere.


HIPAA-secure text messaging

Send HIPAA-secure messages from any iOS, Android or web device.


Simplify with XDOC

Lenders rely on XDOC to simplify the mortgage lending process.


FaxAgent. FoIP redefined

FoIP technology combined with decades of fax experience.

For Stak, docbook, XDOC, and FaxAgent, please call 888.447.3707.

Interested in partnering with us?
Learn more