| | Harnett County | NC | 37085 | | Anderson Creek, NC 11360 | Raleigh-Durham-Cary, NC 450 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HarnettCounty+NorthCarolina |
| | Henderson County | NC | 37089 | | Asheville, NC 11700 | Asheville-Waynesville-Brevard,
NC 120 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=HendersonCounty+NC |
| | Hertford County | NC | 37091 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HertfordCounty+NC |
| | Iredell County | NC | 37097 | | Charlotte-Concord-Gastonia,
NC-SC 16740 | Charlotte-Concord, NC-SC 172 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=IredellCounty+NC |
| | Johnston County | NC | 37101 | | Raleigh-Cary, NC 39580 | Raleigh-Durham-Cary, NC 450 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=JohnstonCounty+NC |
| | Lenoir County | NC | 37107 | | Kinston, NC 28820 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LenoirCounty+NC |
| | Madison County | NC | 37115 | | Asheville, NC 11700 | Asheville-Waynesville-Brevard,
NC 120 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MadisonCounty+NC |
| | Mecklenburg County | NC | 37119 | | Charlotte-Concord-Gastonia,
NC-SC 16740 | Charlotte-Concord, NC-SC 172 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MecklenburgCounty+NC |
| | Mitchell County | NC | 37121 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MitchellCounty+NC |
| | Nash County | NC | 37127 | | Rocky Mount, NC 40580 | Rocky
Mount-Wilson-Roanoke
Rapids, NC 468 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=NashCounty+NC |