Common man, you know what i'm talking about.
We do use ND and SD as abbreviations (check USPS) but when we talk in the street about South Dakota we never say SD because obviously no one will understand. Normally we say S. Dak or the whole state name.
Originally Posted by ilovethelakings
See, that's why Puerto Rico shouldn't become a state. We don't even use the same abbreviations for the existing states