How To Activate a Phone with ATT

What is a Phone?

A mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user moves within a telephone service area, as opposed to a fixed-location phone.

How To Activate a Phone with ATT

How do you activate an AT&T phone?

Go to before turning your phone on.

How do I activate my US Cellular phone myself?

Turn on your device & connect to WiFi. Go to and follow the two-step process for activation.

How much does it cost to activate a phone at AT&T?


AT&T PHONE Fee Schedule (Consumer)

FeeAT&T Phone
Non-Return Equipment Fee$150
Activation Fee$35
Installation FeeUp to $99
Service Repair Dispatch Fee$99

How long do I have to activate my ATT phone?

Phone service must be activated within 14 days of shipment or service may be canceled or interrupted to protect your information.

If you have already accepted the Terms and Conditions, AT&T may activate for you within 7 days of shipment. You may use our Guide To Activation to activate your device.

Does AT&T SIM expire?

A prepaid account is automatically closed if the account balance is $0 for more than 60 days. Once your account is closed, the SIM card is deactivated. As noted above, you need to open a new account with a new SIM card and a new number.