Look Up Phone Number On Facebook
In your account, go to the Account link in the right leading side, which would open a dropdown list of options where you need to open "Edit Friends" for opening the Friends list and contacts.
In the Buddies page, you have to click on the "Contacts" link which is the 3rd link in the left sidebar column. This would open something like a phone book, where nothing aside from the name and contact number would be seen.
The phonebook has the contact number in the list of friends, and according to Facebook these numbers come from the contacts that you import using the Facebook in your mobile. A little more check out the system suggests that if you had the telephone number in your profile, or else used the number to have double security for your account, that number too is listed.
This is advantageous for lots of, and damaging too. Individuals who are in an emergency situation, and would desire a few of their buddies' contact numbers, this is an excellent way for that. But, the same numbers exposed in this way can result in unneeded calls and breach in personal privacy.
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