How can i contact mcafee customer service? McAfee Customer Support Service Phone Number. The customer support phone number of McAfee is +1-408-346-5101 / (Click phone number to call).What is the toll free number for mcafee? Contacting McAfee - by phone or otherwise. While 888-847-8766 is McAfee's best toll-free number, there are 8 total ways to get in touch with them. The next best way to talk to their customer support team, according to other McAfee customers, is by calling their 800-937-2237 phone number for their Technical Support department.What is mcafee tech support phone number? The customer support phone number of Mcafee Antivirus Canada is 1-866-622-3911 / 1-888-847-8766 (Click phone number to call).What is the contact number for mcafee support? The customer support phone number of McAfee USA is +1 972-963-8000, 866-622-3911 (Click phone number to call).