AT&T Technical Support

AT&TTechnical support and customer service telephone numbers for AT&T High Speed Internet.

  • To verify status of a pending high speed Internet order
    1-877-722-3755
  • Existing member and would like customer service or technical support
    1-877-722-3755
  • For business accounts
    1-877-722-3755
  • For all calls related to ATT/SBC telephone service:
    • CA
      1-800-310-2355
    • TX
      1-888-387-6270
    • LA, IN, MI, OH, WI
      1-800-244-4444
    • KS, AR, MO, OK
      1-888-294-8433
    • CT
      1-800-453-7638
    • NV
      1-888-832-7228
    • All other states
      1-888-832-7228

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AT&T High Speed Internet

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  • Free Modem and Installation
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