If your SIM card is blocked for calling, it's most likely because it's not from Verizon. In order to make calls on a Verizon network, your SIM card must be activated with Verizon. You can do this by either purchasing a SIM card from Verizon or by transferring your existing SIM card to Verizon. If you have an existing SIM card that you'd like to transfer to Verizon, please contact us and we'll be happy to assist you.
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