Apple always asks for a phone number. Google I don't think you can sign up without a phone number. Yes, it drives me crazy. I'm travel often and stay abroad often. I use different sims so my phone number changes so even if they wanted to contact me via the phone number to send an SMS or whatever they often can't. I can sign up for an internet run number but the entire point is I don't want a have to deal with a phone number in 2019. People don't call me anymore. If they want to talk they use one of the 150 messenging services that are free.