Thanks Olivia. This at least confirms I'm in a 'no-solution' situation with regards old numbers. I was also going to question the designations "home" and "mobile" and what purpose does "home" serve. I do actually have a third phone, and it's my actual home phone - the "landline" - which I was unable to add because it was rejected due to it being a VoIP number. Well, it used to be a hard-wired copper line, but like every such phone in the country, it's now via fibre, and hence VoIP. Then there's the issue with 2FA. Since PayPal ceased using the physical card to generate a key, I've been forced to reluctantly use the relatively insecure SMS. I've now lost that facility by trying to change to a different phone, due to, per in the original question, that number no longer being available. You needn't respond to these multiple issues as there appears to be no resolution. I just need to air them here in frustration. Kind Regards, Phil.
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