| | | Crawford County | AR | 05033 | | Fort Smith, AR-OK 22900 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=CrawfordCounty+AR |
| | | Sebastian County | AR | 05131 | | Fort Smith, AR-OK 22900 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SebastianCounty+AR |
| | | Boone County | AR | 05009 | | Harrison, AR 25460 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BooneCounty+AR |
| | | Newton County | AR | 05101 | | Harrison, AR 25460 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=NewtonCounty+AR |
| | | Garland County | AR | 05051 | | Hot Springs, AR 26300 | Hot Springs-Malvern, AR 284 | Central | metro county (urban) | recreation | https://maps.google.com/?q=GarlandCounty+AR |
| | | Craighead County | AR | 05031 | | Jonesboro, AR 27860 | Jonesboro-Paragould, AR 308 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CraigheadCounty+AR |
| | | Poinsett County | AR | 05111 | | Jonesboro, AR 27860 | Jonesboro-Paragould, AR 308 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PoinsettCounty+AR |
| | | Faulkner County | AR | 05045 | | Little Rock-North Little
Rock-Conway, AR 30780 | Little Rock-North Little
Rock, AR 340 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=FaulknerCounty+AR |
| | | Grant County | AR | 05053 | | Little Rock-North Little
Rock-Conway, AR 30780 | Little Rock-North Little
Rock, AR 340 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GrantCounty+AR |
| | | Lonoke County | AR | 05085 | | Little Rock-North Little
Rock-Conway, AR 30780 | Little Rock-North Little
Rock, AR 340 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LonokeCounty+AR |
