Area Code 402-404 located in SOUTH SIOUX CITY, DAKOTA, NE, more detail is as below. Place NPA (Numbering Plan Area) : 402 NXX (Local Number Prefix) : 404 City : SOUTH SIOUX CITY County : DAKOTA State : NE (Nebraska) NXX Use Type : Landline NXX Intro Version : 3/28/2007 FIPS (Federal Information Processing Standards) : 31043 LATA (Local Access Transport Area) : 630 Rate Center : SOSIOUX CY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 68776 Other Information NPANXX : 402404 County Population : 0 Switch CLLI (Common Language Location Identifier) : SXCYIA78X2X MSA CBSA (Core Based Statistical Area) : Sioux City, IA-NE-SD MSA CBSA Code (Core Based Statistical Area) : 43580 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LONG LINES SIOUXLAND, LLC - NE OCN (Operating Company Number) : 583E Coverage Area Name : S SIOUX CITY Latitude : 42.4949 Longitude : -96.4062 ‹ previous : 402-403 next › : 402-405 Telephone Number List 402-404-0000 ~ 402-404-9999