AT&T Customer Service Phone Number #1: 877-970-8650
Main AT&T Phone Number

AT&T Customer Service

877-970-8650
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More AT&T 800 numbers and support

This is the best of 23 ways to contact AT&T according to 8261421 GetHuman users. Here are others.
800-592-3541
Sign Up For U-Verse
888-715-3291
New Customer Concierge
877-318-2092
Moving & Address Change Concierge
888-858-0822
Deals & Packages Concierge
800-331-0500
Customer Service & Business Accounts
800-288-2747
Customer Service