What are the Big Elk, Kansas Zip Codes for 2020, 2019Primary Zip Codes for Big ElkZip CodePrimary CitySecondary City66713Baxter SpringsBig Elk, Lowell, Sims, Baxter SpgsCities sharing Zip Codes with Big ElkZip CodePrimary CitySecondary CityMore Information66713Baxter SpringsBaxter Spgs66713Baxter SpringsBig Elk66713Baxter SpringsSims66713Baxter SpringsLowell Lowell population stats Advertisements