The Company offers wireless network, cell phone, digital television, internet, land line telecommunication services. AT&T Services serves customers worldwide.

If you have already registered for myAT&T for Business-online, sign in or register to set up your online account. myAT&T for Business is an online tool where you set up a User ID and password for access to your account online. Multiple telephone numbers can be added to one User ID and password.

AT&T Corporation, formerly (1899–1994) American Telephone and Telegraph Company, major American brand and corporation that provides long-distance telephone and other telecommunications services.

AT&T network AT&T Fiber delivers internet directly to your location using a 100% fiber network. AT&T Internet Air and Fixed Wireless Internet deliver internet over the AT&T wireless network, using 4G LTE and 5G technology.

FREQUENTLY ASKED QUESTIONS

1. Go to the myAT&T sign-in.
2. Select Add a user ID, then Create one now.
3. Choose the service to register and select Continue.
4. Enter your AT&T phone number or account number and your billing ZIP Code, then select Continue.
5. Choose how you want to receive your verification code.

A valid Federal Tax ID Number (aka Employer Identification Number) and at least one (1) Corporate Responsibility User (CRU) is required. To create your AT&T Mobile Business agreement, start shopping with AT&T. Already an AT&T customer? Log in to Premier to start shopping.

AT&T Inc. (with "AT&T" being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.

American Telephone and TelegraphAT&T / Full name In 1885 Bell established the American Telephone and Telegraph Company, or AT&T, as its subsidiary responsible for building long-distance telephone lines.

The Best Network Get the best coverage at home or while traveling with nationwide GSM technology that enables you to have true voice quality and unparalleled global roaming capabilities. The AT&T network uses GSM (Global System for Mobile Communications) technology, the world's most popular wireless phone technology.

The best way to check if your phone is compatible with AT&T's network is to do a compatibility check on AT&T's website. You'll need your phone's IMEI number to check compatibility, which you can find by dialing *#06# on your phone.

Call to order AT&T services; 1-855-410-4253 to reach customer service for Home Phone, Internet, and TV; or 1-800-331-0500 to reach customer service for wireless phone service. How can I order new AT&T service? Call 1-855-410-4253 to order home services and 1-855-410-4253 to order wireless service.

Learn about accounts and user IDs

1. Go to the myAT&T sign-in.
2. Select Add a user ID, then Create one now.
3. Choose the service to register and select Continue.
4. Enter your AT&T phone number or account number and your billing ZIP Code, then select Continue.
5. Choose how you want to receive your verification code.