USCIS Contact information needed.?

Question

I need the fax number to the California service centre of the uscis. I would really appreciate it if you have this information.

Answer 1

I have their phone number...If I find the fax...I'll post it here...or email it to you.

Phone: [phone]

Answer 2

Here is their full contact information page. They do not mention a fax number because, with very rare exceptions, they do not accept faxed documents.
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=70c11e78bf63d010VgnVCM10000048f3d6a1RCRD&vgnextchannel=52a46c854523d010VgnVCM10000048f3d6a1RCRD