This list of current cities, towns, unincorporated communities, and other recognized places in the U.S. state of Arkansas whose name begins with the letter O. It also includes information on the number and names of counties in which the place lies, and its lower and upper zip code bounds, if applicable.
Cities and Towns
Name of placeNumber of countiesPrincipal countyLower zip codeUpper zip codeOak Forest1Lee County72360 Oak Forest1Pulaski County Oakgrove1Carroll County72660 Oak Grove1Carroll County72660 Oak Grove1Cleveland County71665 Oak Grove1Crawford County Oak Grove1Hot Spring County72104 Oak Grove1Lonoke County72007 Oak Grove1Nevada County71858 Oakgrove1Perry County72070 Oak Grove1Pope County72801 Oak Grove1Pulaski County72118 Oak Grove1Sevier County71846 Oak Grove1Washington County Oak Grove Heights1Greene County72443 Oakhaven1Hempstead County71801 Oak Hill1Carroll County Oakland1Marion County72661 Oakland Heights1Jefferson County Oakland Heights1Pope County72801 Oaklawn1Garland County71901 Oak Park1Jefferson County71603 Oak Park1Sebastian County Oark1Johnson County72852 Oconee1Randolph County72455 Odell1Washington County Oden1Montgomery County71961 O'Donnell Bend1Mississippi County72358 Ogden1Little River County71853 Ogemaw1Ouachita County71764 Oil Trough1Independence County72564 Okay1Howard County Okay Junction1Howard County O'Kean1Randolph County72449 Okolona1Clark County71962 Ola1Yell County72853 Old Alabam1Madison County72740 Old Austin1Lonoke County72007 Old Bonnerdale1Garland County Old Botkinburg1Van Buren County Old Buffalo1Marion County Old Cove1Polk County Old Grand Glaise1Jackson County72020 Old Hickory1Conway County72063 Old Jenny Lind1Sebastian County72906 Old Joe1Baxter County72658 Old Lapile1Union County Old Lexington1Stone County Old Marble1Garland County Old Milo1Ashley County71646 Old Neely1Yell County72834 Old Town1Lafayette County Old Union1Union County71730 Old Weona1Poinsett County72472 Olena1Arkansas County Olio1Scott County Oliver1Scott County72958 Oliver Springs1Crawford County72952 Olmstead1Pulaski County72116 Olvey1Boone County72601 Olyphant1Jackson County72020 Oma1Hot Spring County71964 Omage1Searcy County Omaha1Boone County72662 Omega1Desha County Omega1Yell County72834 Onda1Washington County72774 O'Neal1Independence County One Horse Store1Arkansas County72160 Oneida1Phillips County72369 Onia1Stone County72663 Onyx1Yell County72857 Opal1Polk County71932 Opal1White County72012 Oppelo1Conway County72110 Optimus1Stone County72519 Orion1Grant County72132 Orlando1Cleveland County71660 Orton1Little River County Osage1Carroll County72638 Osage Mills1Benton County Osceola1Mississippi County72370 Ott1Fulton County65626 Otto1Faulkner County72173 Otwell1Craighead County72401 Ouachita1Dallas County71763 Ouachita College1Clark County71923 Ouita1Pope County72801 Overcup1Conway County72110 Overcup1Woodruff County72101 Owens1Columbia County Owensville1Saline County72087 Oxford1Izard County72565 Oxford Ford1Fulton County Oxley1Searcy County72645 Ozan1Hempstead County71855 Ozark1Franklin County72949 Ozark Acres1Sharp County72482 Ozark Lithia1Garland County71901 Ozone1Johnson County72854
Townships
Name of placeNumber of countiesPrincipal countyLower zip codeUpper zip codeOak Bluff Township1Clay County Oak Forest Township1Lee County Oak Grove Township1Lonoke County Oden Township1Montgomery County Oil Trough Township1Independence County O'Kean Township1Randolph County Old Hickory Township1Conway County Old River Township1Jefferson County Oliver Township1Scott County Oliver Springs Township1Crawford County Olvey Township1Boone County Omaha Township1Boone County Omega Township1Carroll County Optimus Township1Stone County Osage Township1Benton County Osage Township1Carroll County Osage Township1Newton County Otter Township1Saline County Ouachita Township1Bradley County Ouachita Township1Hot Spring County Ouachita Township1Montgomery County Ouachita Township1Polk County Owen Township1Dallas County Owen Township1Lincoln County Owen Township1Poinsett County Owen Township1Saline County Oxley Township1Searcy County Ozan Township1Hempstead County Ozark Township1Polk County Ozark Township1Sharp County