AT&T Phone Activation helps you activate your phones, there are several choices: new customer or add a line, upgrade phone, add a line and upgrade a phone and .
AT&T Phone Activation Instructions
There are several activation choices:
- New customer or add a line
- Upgrade phone
- Add a line and upgrade a phone
For the first 3 activation types, you need to enter the 10-digit wireless number, verification method – billing or shipping zip code, last four digits of social security number and last four digits of tax ID number and verification number. If you have more than one phone number associated with your account, you will be able to activate all of your numbers Activation webpage. If you are transferring your phone number from another carrier, please call to complete your activation. Activate your phone at
About At&T Activation
AT&T is an American multinational telecommunications corporation headquartered in Whitacre Tower, Dallas, Texas, United States. It is the second largest provider of mobile telephony and largest fixed telephony provider in the United States, and is also a provider of broadband subscription television services. It is the 3rd largest company in Texas by total revenue and the largest non-oil company in Texas. It is also the largest company headquartered in Dallas. In 2011, Forbes listed AT&T as the 14th largest company in the world by market value and the 9th largest non-oil company in the world by market value.
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