AT&T Address Book
Your contacts, safe and accessible
With AT&T Address Book, a FREE service available on most AT&T phones, you can automatically back up and manage your contacts securely, even if you upgrade or lose your phone. See offer details.
Already an existing user? Log in to AT&T Address Book
Getting started: easy & free
You can manage your contacts directly from your phone, but when you sign up for AT&T Address Book on the Web, you can also import contacts from other sources like Gmail®, Yahoo!®, or iCloud®, and access your contacts from almost every device.
Compatible with most AT&T phones,
including most GoPhones®.
Step 1: Confirm phone compatibility
Make sure AT&T Address Book can run on your phone.
Step 2: Activate AT&T Address Book on your device
Setting up your phone: Open your contact list and select START SYNC from the AT&T Address Book prompt.
On your existing phone: Go to either the device contact settings menu or the general settings menu, and add AT&T Address Book as an account.