What is the phone number for att internet technical support? Current Internet, TV, or Telephone customers, call 1-800-288-2020 for AT&T customer service, technical assistance, billing & order inquiries. New Wireless Customers, call 1-855-510-9745 to set up a new line of cellphone service with AT&T.How to call att support? AT&T wireless customers should call 611 or 800.331.0500 from their AT&T mobile phone - not the main AT&T customer service number - for the best experience. Hours: Every day, 7 a.m.-10 p.m. local timeWhat is the phone number for att support? The customer support phone number of Landline ATT is 1-800-288-2020 (Click phone number to call).What is the toll free number for att? At and T Uverse Texas toll free customer service number : 1-800-288-2020, 888-296-2000. Uverse Illinois toll free customer service number : 1-800-423-4343, 1-800-850-8437. ATT Uverse TV toll free customer service number : 800 2882020.
Contact Att Connectech customer support at phone number. Call or write an email to resolve Att Connectech issues: Payments and Charges, Product/ Service. Visit the company website buy-connectech.att.com or live chat for more information.