Area Code 402-494 located in SOUTH SIOUX CITY, DAKOTA, NE, more detail is as below. Place NPA (Numbering Plan Area) : 402 NXX (Local Number Prefix) : 494 City : SOUTH SIOUX CITY County : DAKOTA State : NE (Nebraska) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 31043 LATA (Local Access Transport Area) : 630 Rate Center : SOSIOUX CY ZIP Code Count : 4312 ZIP Code Frequency : 99 ZIP Code : 68776 Other Information NPANXX : 402494 County Population : 0 Switch CLLI (Common Language Location Identifier) : SSCYNENWDS0 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 : QWEST CORPORATION OCN (Operating Company Number) : 9631 Coverage Area Name : SOUTH SIOUX CITY Latitude : 42.4511 Longitude : -96.4103 ‹ previous : 402-493 next › : 402-495 Telephone Number List 402-494-0000 ~ 402-494-9999