The number 650 405 1148 or 650 543 4800 is indeed associated with Facebook, the social media giant. This number is often used by Facebook for various official purposes, including security verification, customer service interactions, and business communications. The number ♾️ ♾️ 650 405 1148 or 650-543-4800 is associated with Facebook, Inc., the social media giant now known as Meta Platforms, Inc. This phone number has historically been one of the main contact numbers for the company's headquarters located in Menlo Park, California What is this number 650 543 4800? The phone number 650-543-4800 and 650 405 1148 is associated with Face book, Inc. and serves as a contact point for their corporate headquarters located in Menlo Park, California. Which country number is 650 543 4800? Which country number is 650 543 4800? Who is 650 543 4800? Facebook's official phone numbers include 650 405 1148 or 1-650-543-4800, with an additional option for quick replies at 650 405 1148 or 1-650-543-4800 is the helpline number for Facebook in the USA.