AT&T Business Customer Service
How can we help you today?
Looking for new business phone or internet service?
This page is for existing customer support. If you are looking to start new AT&T Business service, our sales specialists can help you find the right solutions for your business.
- Business Internet
- High-speed Fiber
- Wireless
- Business Phone
Call our sales team to find the services that best suit your business.
Manage your account online
You can handle many everyday tasks and manage your account online, 24/7. Use our self-service tools to get the help you need, fast.
Frequently asked questions
What is the main customer service phone number for AT&T Business?
You can reach AT&T Business Customer Service at 1-888-944-0447. Our support team can help with billing questions, new service inquiries, and technical issues, or connect you with a specialist if needed. It’s your main point of contact for fast, reliable assistance.
How do I get technical support for my AT&T Business Internet or Fiber service?
For help with your Business Internet or Fiber service, call 1-888-944-0447. Our technicians can troubleshoot connection issues, check for outages, or schedule repairs. You can also monitor support tickets anytime through your Express Ticketing.
Where can I pay my AT&T Business bill or manage my account online?
Visit your AT&T Business Account Center to pay bills and manage your services anytime. You can view statements, set up AutoPay, and update account details in one place. Need to make a quick payment? Use our Quick Pay option—no login required.
What are the first steps to take when my AT&T Business Internet service goes down?
Start by rebooting your modem or gateway—unplug it for 30 seconds, then plug it back in. If that doesn’t fix the issue, check your cables and look for local outages. Still having trouble? Our tech team is ready to help at 1-888-944-0447.
Are AT&T's technical support lines for Business Internet available 24/7?
Yes! AT&T Business technical support for internet and phone services is available 24 hours a day, 7 days a week. We know your business depends on staying connected, and our experts are always here when you need them—just call 1-888-944-0447.