| | | Newton County | AR | 05101 | | Harrison, AR 25460 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=NewtonCounty+AR |
| | | Ouachita County | AR | 05103 | | Camden, AR 15780 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=OuachitaCounty+AR |
| | | Perry County | AR | 05105 | | 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=PerryCounty+AR |
| | | Phillips County | AR | 05107 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PhillipsCounty+Arkansas |
| | | Pike County | AR | 05109 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=PikeCounty+AR |
| | | Poinsett County | AR | 05111 | | Jonesboro, AR 27860 | Jonesboro-Paragould, AR 308 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PoinsettCounty+AR |
| | | 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 |
| | | Pulaski County | AR | 05119 | | Little Rock-North Little
Rock-Conway, AR 30780 | Little Rock-North Little
Rock, AR 340 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=PulaskiCounty+AR |
