Have you looked at the Smart Family aka Family Base feature?
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Smart family is a great idea, Ann154. If you'd like to use this awesome service rosa3303, I encourage you to check out https://www.verizonwireless.com/support/verizon-smart-family-faqs/ for all the details. It's a great way to set data limits on one device within your plan. You can also follow the steps in the Controls section of https://www.verizonwireless.com/support/how-to-use-verizon-smart-family/ to set Data Target Limits or even limit time or select content.
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You can't do it for free, even on a simple flip phone. You can either turn if off in the phone's settings (which a kid can easily turn back on) or you can pay $5 a month for Verizon's smart family plan. I'm in my 3rd hour on the phone with Verizon Wireless over the past 2 weeks trying to figure out how to do this, or at least how to turn off the web browser access on my kid's flip phone.