You can contact SBCGlobal customer service by calling the toll-free number: 1–888–449–4584 or 1–800–288–2020 (Toll-Free), available 24/7. Additionally, you can access support through the AT&T website’s live chat feature, email support, and social media channels. Get quick help with your SBCGlobal email issues. Learn how to contact SBCGlobal customer...