Please note that to set up voicemail on the AT&T Wireless network, you need to do this within 60 days of activating your phone.īuy online & get your new device in 2 hoursīundle TV and Internet for a better price.ĪT&T Offers include guaranteed lower monthly price on TV, Internet, and Voice bundles. Choose your greeting, and you’re good to go.Press and hold the Voicemail key on your phone (or 1).

Once you have activated your device, don’t forget to set up voicemail if you need it. How to Activate Voicemail on AT&T Wireless Before you remove the battery, don’t forget to power off your device. If you’ve thrown away your AT&T PREPAID package, you can find the SIM and IMEI numbers on the small card under the battery cover. If you plan to use your device in different locations, choose the ZIP code where you’ll use it the most. Enter the IMEI number without any spaces or dashes.Go to the Activate your AT&T PREPAID device page.You can also activate an AT&T PREPAID device online. Follow the on-screen instructions to activate your device.Provide the wireless number and the billing or shipping ZIP code of the device.Go to the Activate your AT&T wireless device page.Follow the steps below to activate your device in no time. Activating an AT&T Wireless Device OnlineĪT&T makes activating a wireless device online easy. With this app, joining the AT&T Wireless network becomes easier. The AT&T Mobile Transfer app helps you to move your information to a new device. AT&T provides device support to help you through this process. To activate an eSIM card, go here.įor new devices, AT&T Wireless uses a simple activation process that requires you to follow the on-screen instructions.įor unlocked devices you already own, you need to insert your new SIM into your device and follow a similar activation process. AT&T Wireless works with both SIM cards and eSIM cards and allows you to use up to two SIMs with different numbers per device.ĮSIM cards are the electronic equivalent of a traditional SIM card. You can activate AT&T Wireless on a new phone or tablet as well as on any unlocked mobile device you already own. Activating AT&T Wireless Device Ways to Activate AT&T Mobile Devices

Att wireless att