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Buy and activate each line you want for your family account. When all AT&T Prepaid lines are set up, move to Step 2.
Choose the line (Account Owner) who will pay for the group's monthly service charge. Then have the Account Owner sign in to myAT&T.
Select "Add a Line" and follow prompts to set up your family account.
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AT&T PREPAID Multi-Line Discount: Requires enrollment in AT&T PREPAID Multi-Line Account and min. $30/month plan for each line. Account Owner must set up Account, choose plan for each line, and make full payment for each line upon enrollment and each month. If payment is not made for each line, service to all lines is terminated. Limit five lines per consumer account. Member lines: If Member's monthly plan on Account is different from plan prior to enrollment, Member may lose access to packages or services from prior plan. High-speed Data Proration: Upon joining a Multi-Line Account, a Member's renewal date is aligned with the Account Owner's renewal date, and the Member's high-speed data allowance is prorated based on the number of days remaining in Multi-Line Account term. General AT&T Prepaid Service: Subject to Terms of Service and Plan Terms available at att.com/prepaidterms. Money must be added to Account within 26 days of activation, or Account will be cancelled. Geographic, usage, and other terms, conditions, and restr's apply. See att.com/prepaid for details.