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AT&T Landline Account Number, Password & Contact Info

Contact Information for Cellphone Service ProvidersThis is a brief overview of AT&T Landline and how to get the information you will need if you wish to port your phone number out to a different company. You can use the information below to get your AT&T Landline account number and password.

AT&T Landline Contact Info

Customer Service: 1-800-331-0500
Hours: Monday – Saturday: 9:00AM – 6:00PM | Sunday: CLOSED | Tech Support: 24/7

  • Sales: N/A
  • Dealer Support: N/A
  • Fraud: N/A
  • Insurance: N/A
  • Porting Department: N/A
  • Tech Support: N/A

Carrier(s) used by AT&T Landline

  • (CDMA): NO
  • (GSM-A): AT&T
  • (GSM-T): NO
  • (PCS): NO
  • (Other): NO

AT&T Landline Porting Instructions

For AT&T landline accounts, your account # is the 10-digit phone number. The PIN is the 4 digits to the immediate right of the phone number in the top right corner of your bill.

Notes:

Please contact Best Cellular customer service if you need help or can’t find what you’re looking for in our list of United States mobile virtual network operators and wireless communications service providers.

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