Check picture below for possible model number tag locations:

Cooktops


Dishwashers


Dryers


Freezers, Chest


Freezers, Upright


Garbage Disposers


Microwaves


Ovens


Range Hoods


Ranges, Electric


Ranges, Gas


Refrigirator, bottom


Refrigirator, side


Refrigirator, top


Trash Compactors


Washers, Front Load


Washers, Top Load