How to Activate an AT&T GoPhone SIM Card Online

by Vera Leigh

If you have purchased an AT&T Go Phone, then you will need to activate it in order to begin using it. You can activate your Go Phone online by visiting the official AT&T phone activation site. Make sure to have your SIM card number handy. The official site reports that you will find your SIM card number on the plastic credit card-like card included with your phone. The SIM number begins with the number "89."

Step 1

Visit the official AT&T phone activation website.

Step 2

Locate your SIM card number on the credit-card-like card included with your Go Phone.

Step 3

Type the SIM number, which begins with the number "89," into the SIM Card Number box.

Step 4

Press "Continue."

Select a payment plan for your Go Phone, process your payment, and finalize activation. You are ready to talk on your Go Phone.

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About the Author

Vera Leigh has worked as a professional freelance writer since 2008. Her work has appeared in "Learn Overseas" and "Grad Source" magazines. In addition, she received an honorable mention in "Newsweek's" My Turn contest. She has written features for nonprofits focused on literacy, education, genomics and health. In her spare time, Leigh puts her English major to use by tutoring in grammar and composition.

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