ZIP Codes in Sioux County, IA (United States)

ZIP Code	State	County
51023	Overlaps Iowa and South Dakota	Sioux County, IA Union County, SD
Neighbors:	51001 51011 51027 51247 51250 57001 57034
51003	Iowa	Sioux County, IA
Neighbors:	51022 51031 51041 51050 51238
51011	Iowa	Sioux County, IA
Neighbors:	51001 51023
51022	Iowa	O'Brien County, IA Sioux County, IA
Neighbors:	51003 51035 51046 51050 51231 51238
51027	Iowa	Plymouth County, IA Sioux County, IA
Neighbors:	51001 51023 51031 51036 51250
51036	Iowa	Sioux County, IA
Neighbors:	51027 51031 51041 51250
51041	Iowa	Sioux County, IA
Neighbors:	51003 51031 51036 51201 51234 51238 51239 51250
51201	Iowa	O'Brien County, IA Sioux County, IA
Neighbors:	51041 51231 51232 51234 51237 51238 51244 51248
51234	Iowa	Sioux County, IA
Neighbors:	51041 51201 51237 51239
51235	Iowa	Lyon County, IA Sioux County, IA
Neighbors:	51230 51237 51239 51240 51246 51247
51238	Iowa	O'Brien County, IA Sioux County, IA
Neighbors:	51003 51022 51041 51201 51231
51239	Iowa	Lyon County, IA Sioux County, IA
Neighbors:	51041 51234 51235 51237 51247 51250
51240	Iowa	Lyon County, IA Sioux County, IA
Neighbors:	51230 51235 51241 51247 57013 57027
51244	Iowa	Sioux County, IA
Neighbors:	51201
51247	Iowa	Lyon County, IA Sioux County, IA
Neighbors:	51023 51235 51239 51240 51250 57027 57034
51250	Iowa	Sioux County, IA
Neighbors:	51023 51027 51036 51041 51239 51247