Funnily enough, with the addition of the newest element to that format — the postcode — to the end, this format also becomes less "logical", postcode being very specific.
Of course that's arguable, as postcode shouldn't really be considered a component of-, rather an alternative to- other sections of the address.
A postcode (or local equivalent) isn't necessarily particularly specific. For example, here in Austria the equivalent of a postcode might cover a whole city district.
Of course that's arguable, as postcode shouldn't really be considered a component of-, rather an alternative to- other sections of the address.