So far in my place it doesn't require a phone numbe either. Limit is 1000 € per transaction.
But you can repeat it as many times as you want... 😉
In case you need a burner phone number, use https://lnvpn.net/phone-numbers
Discussion
Sweet! AFAIK Spanish BTC ATMs should accept ANY phone number. Not sure how that would work though since you can't select Spain, or the ATM service.