How to remove personal contact details on Facebook
Essentially, there are four steps to this process. First, log into Facebook and click the Home button in the top right hand corner. Then, click Edit My Profile under your name. Third, click on Contact Information on the left hand column. Finally, make sure all of the mobile phone number, address, and other personal information fields are empty. After you have done this, hit the save button!
And while you are on Facebook don’t forget to check your privacy settings under Account in the top right hand corner. Always good to check and double check your privacy settings on any and all online profiles.
SOURCE: Big Brother Watch
http://www.bigbrotherwatch.org.uk/