What is att customer service phone number? AT&T Customer Service Phone Number 1-800-288-2747. AT&T is a communications giant that is the largest provider of mobile phone service and home phone service.Can you use a t mobile phone with att service? If you're changing service from T-Mobile to AT&T and you love your current T-Mobile phone, you may be in luck. Many GSM phones sold by T-Mobile are compatible with AT&T when "unlocked" for multiple carrier use. You simply need to know which phones are compatible and how to unlock them for multiple carrier use.How do i cancel att mobile phone service?
Do not use ENJOY service. Ordered 2 iPhones on Nov 21st for delivery on Saturday Nov 25th at 11 AM. All looked good that morning, including an email at 9:00AM that Tyler was to deliver my phones. THEN, at 11:05 AM I received an email that my delivery was ...