South Sioux City, Nebraska
Area codes 402, 531 · Population: 13,353
Central (CT)
Nebraska
Pop. 13,353
Area Codes Serving South Sioux City
About South Sioux City, Nebraska
South Sioux City is a city in Nebraska that is served by area codes 402, 531. The city has a population of approximately 13,353 residents and is located in the Central Time Zone.