Clatskanie

ZIP Code(s): 97016; County(s): Columbia;

Hudson

ZIP Code(s): 12534; County(s): Columbia;

Cambria

ZIP Code(s): 53923; County(s): Columbia;

Scappoose

ZIP Code(s): 97056; County(s): Columbia;

Berwick

ZIP Code(s): 18603; County(s): Columbia;

Lake Wisconsin

ZIP Code(s): 53955, 53555; County(s): Columbia, Sauk;

Espy

ZIP Code(s): 17815; County(s): Columbia;

Vernonia

ZIP Code(s): 97064; County(s): Columbia;

Lodi

ZIP Code(s): 53555; County(s): Columbia;

Poynette

ZIP Code(s): 53955; County(s): Columbia;

St. Helens

ZIP Code(s): 97051; County(s): Columbia;