ZIP Codes Box

Union County, Arkansas ZIP codes

10ZIP codes
9Cities and towns
38,413People in ZIP areas
318, 870Area codes

Union County is in Arkansas and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Union County

ZIP codeCityTypePopulationMedian income
71724CalionPO Box only147$26,346
71730El DoradoStandard29,760$55,770
71731El DoradoPO Box only––
71747HuttigStandard655$61,208
71749Junction CityStandard2,787$68,188
71750LawsonPO Box only––
71758Mount HollyStandard150–
71759NorphletPO Box only243–
71762SmackoverStandard2,929$50,577
71765StrongStandard1,742$38,636

Cities and towns in Union County

Area codes in Union County

Questions

How many ZIP codes are in Union County, AR?
Union County has 10 ZIP codes, 6 of them standard ZIP codes for street addresses.
What cities are in Union County?
Union County ZIP codes cover El Dorado, Calion, Huttig, Junction City, Lawson, Mount Holly, Norphlet and Smackover and 1 other places.
What area code is Union County, AR?
Union County uses area codes 318 and 870.
What time zone is Union County in?
Union County is in Central Time.

Other Arkansas counties