|
South Sioux City, NE is assigned area code 402. Area code 402 was the original area code assigned to cover the entire
state of Nebraska, including South Sioux City, when it was put into service on January 1, 1947. In addition to South Sioux City, NE area code 402 serves the larger communities of Bellevue, Columbus, Fremont,
Hastings, Lincoln, Norfolk, Omaha and many other smaller communities in eastern Nebraska. South Sioux City, NE does not utilize any area code overlays at this time, however, area code 531 is planned as an
overlay of area code 402 with an effective date of March 26, 2011. |
|