"Gamaliel, Arkansas"@en . . . "Gamaliel is an unincorporated community in Baxter County, Arkansas, United States. Gamaliel is located along Arkansas Highway 101 12 miles (19 km) northeast of Mountain Home. Gamaliel has a post office with ZIP code 72537."@en . . . "274.93"^^ . "-6" . . "72537" . "870" . "-5" .