Data add-ons You can get these add-ons for your monthly PREPAID plans: $40 monthly plan: $10 for 1GB or $40 for 3GB . $30 monthly plan: $10 for 1 GB. $65 and $75 monthly plans: $10 for 5GB with mobile hotspot usage.
Read moreDoes AT&T have a $30 a month plan?
Plan Details The AT&T $30 Monthly Unlimited Prepaid Plan includes 30 days of Unlimited Nationwide calling, and Unlimited Nationwide Text, Picture, and Video Messaging, with first 5GB at high-speed.
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