The search query “call att” indicates a user is looking for the quickest way to speak to a representative regarding their account or technical service. Since AT&T is a massive conglomerate offering multiple services, directing your call to the correct number is essential to avoid long hold times.
The main AT&T phone numbers are 1-800-331-0500 for Wireless/Mobile support, and 1-800-288-2020 for AT&T Internet and Home Phone services. For the fastest route to an agent, always have your account number or the primary phone number on the account ready.
Below is a complete contact list organized by the service you need assistance with.

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AT&T Wireless and Mobile Support
Use these numbers for your cell phone, plan changes, billing questions, and device issues.
| Service Type | Primary Phone Number | Quick Dial (From AT&T Phone) | Availability |
| General Wireless Service & Support | 1-800-331-0500 | 611 | 24/7 (Automated) / Limited Agent Hours |
| Wireless Billing & Account Questions | 1-800-331-0500 | N/A | M–F, 8 a.m. – 8 p.m. CT |
| AT&T PREPAID Support | 1-800-901-9878 | N/A | Standard Business Hours |
| New Wireless Service / Sales | 1-888-333-6651 | N/A | M–F, 8 a.m. – 8 p.m. CT |
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AT&T Internet and Home Services Support
Use these numbers for all wired home services, including AT&T Fiber, U-verse, DSL, and AT&T Home Phone (Digital/Landline).
| Service Type | Primary Phone Number | Notes | Availability |
| Internet/Fiber Technical Support | 1-800-288-2020 | Use for service outages, troubleshooting, and repairs. | 24/7 |
| Internet & Home Billing | 1-800-288-2020 | M–Sa, 8 a.m. – 8 p.m. CT | Standard Hours |
| New Internet Service / Sales | 1-866-861-6075 | Use to check AT&T Fiber availability at your address. | Check local hours. |
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Specialized Contact Lines
| Service Need | Phone Number | Notes |
| Support While Traveling Abroad | +1-314-925-6925 | Available 24/7. This is a free call when dialed from your AT&T mobile phone while overseas. |
| AT&T Business Support | 1-800-321-2000 | For small business accounts (separate support from consumer accounts). |
| FirstNet Support | 1-800-574-7000 | Dedicated 24/7 line for First Responders. |
| Disability Resources (Voice/TTY) | 1-866-241-6568 | Voice support for customers with disabilities. |
Frequently Asked Questions (FAQ)
What should I say to the automated system to get a person?
Once you dial the main number, try saying “Agent” or “Representative” during the first or second prompt. Be persistent; if the system does not recognize your request, it will typically offer to transfer you to a human agent after a few failed attempts.
Can I pay my bill over the phone without talking to an agent?
Yes. AT&T offers an automated payment system. For Wireless, dial *PAY (*729) from your AT&T phone. You can also pay online via the Pay Without Signing In feature on the AT&T website.
What is the best time to call AT&T customer service?
For the shortest wait times, try calling first thing in the morning (shortly after the department opens, usually 8 a.m. local time) or late in the evening on weekdays. Avoid calling during lunch hours (12 p.m. to 2 p.m. local time) and immediately after a widespread service outage.

