I am Jems rock from Alaska, I am working in Quick Support Service in IT department. I would like to share one thing. We all know that Facebook is never provide any contact number to resolve issues related Facebook account. There is an option for the Facebook user who faces issues like Unable to login Facebook account, unable to reset Facebook account password, Not able to post media file like audio, video, photo etc. You can resolve your issues by contacting with Facebook Helpdesk Phone Number :+1-855-510-0777 (US/CA). Which is a completely toll-free number where you can get instant support.There is one another option also that you can discuss your Facebook related issues with Online Facebook Chat Support via Facebook Live Chat Support.