Iphone 5 won't let people leave messages when they call?

I've had an iphone for a couple years now and am just now realizing people are unable to leave a message. When they call, all it says "This is Verizon wireless. Your call can't be completed as dialed. Please hang up and try again." I checked an my voicemail is set up and everything, but it still does not work. Any suggestions?

Call Verizon. There's probably an issue with the SIM card.

Sounds like your voicemail number is wrong or not set up correctly. Contact customer service to reset the VM

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