| | Cass County | ND | 38017 | | Fargo, ND-MN 22020 | Fargo-Wahpeton, ND-MN 244 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CassCounty+ND |
| | Clay County | MN | 27027 | | Fargo, ND-MN 22020 | Fargo-Wahpeton, ND-MN 244 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClayCounty+MN |
| | Richland County | ND | 38077 | | Wahpeton, ND-MN 47420 | Fargo-Wahpeton, ND-MN 244 | Central | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RichlandCounty+ND |
| | Wilkin County | MN | 27167 | | Wahpeton, ND-MN 47420 | Fargo-Wahpeton, ND-MN 244 | Central | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=WilkinCounty+MN |