What a bias as to what is “real” and not real about an address. Are addresses in Utah not “real”? When Australia required that buildings be assigned a street

What a bias as to what is “real” and not real about an address. Are addresses in Utah not “real”? When Australia required that buildings be assigned a street number my grandmother simply ignored the rule: never posted a number on the gate and continued to use her house name, until she passed away more than four decades later. Was her use not “real”?