| | Polk County | AR | 05113 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PolkCounty+AR |
| | Pope County | AR | 05115 | | Russellville, AR 40780 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PopeCounty+AR |
| | Prairie County | AR | 05117 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PrairieCounty+AR |
| | Randolph County | AR | 05121 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RandolphCounty+AR |
| | St. Francis County | AR | 05123 | | Forrest City, AR 22620 | Memphis-Clarksdale-Forrest
City, TN-MS-AR 368 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=St.FrancisCounty+AR |
| | Scott County | AR | 05127 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ScottCounty+AR |
| | Searcy County | AR | 05129 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SearcyCounty+AR |
| | Sevier County | AR | 05133 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SevierCounty+AR |
| | Sharp County | AR | 05135 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SharpCounty+AR |
| | Stone County | AR | 05137 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=StoneCounty+AR |