List of AT&T Stores in Round Rock, TX Outlet Note Regular Brands AT&T Texas Round Rock Rating 4.6 based on 90 votes Official Outlet www.att.com/shop Official Website http://www.att.com/ Products Cell Phones Phones Internet Prepaid Plans Wireless Plans Smartphones Prepaid Phones Wireless Internet Wireless Phones Home Internet NameAddressPhone Name/Address/Phone AT&T outlet - Round Rock 2601 S IH 35 (512) 238-8858 AT&T outlet - Round Rock 210 University (512) 246-0077 AT&T outlet - Round Rock 250 University Blvd (512) 864-9000 AT&T outlet - Round Rock 220 Sundance Pkwy. (512) 733-9070 People Also Viewed