Originally Posted by
gfunkdave
SMS is tied to your SIM card and phone number. You can only use it if you're using your normal account. Some carriers might offer SMS forwarding, but I don't think I've ever seen it.
WhatsApp/email/Viber/Facebook Messenger/Instagram/Snapchat etc are all other options.
Verizon's Messages+ makes your Verizon account's SMS available from a Windows or iOS device. I haven't used an iOS version, but I don't imagine it will work from an iPhone that doesn't have a Verizon SIM card in it.