What are the Dumas, Arkansas Zip Codes for 2020, 2019Primary Zip Codes for DumasZip CodePrimary CitySecondary City71639DumasDumas, Mitchellville, Avery, Back Gate, Garrett Bridge, Pendleton, ReedvilleCities sharing Zip Codes with DumasZip CodePrimary CitySecondary CityMore Information71639DumasAvery71639DumasBack Gate71639DumasGarrett Bridge71639DumasPendleton71639DumasReedville71639DumasMitchellville Mitchellville population stats Advertisements