Area Code 402-357 located in SAINT HELENA, CEDAR, NE, more detail is as below. Place NPA (Numbering Plan Area) : 402 NXX (Local Number Prefix) : 357 City : SAINT HELENA County : CEDAR State : NE (Nebraska) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 31027 LATA (Local Access Transport Area) : 644 Rate Center : WYFRYCSTHL ZIP Code Count : 101 ZIP Code Frequency : 16 ZIP Code : 68774 Other Information NPANXX : 402357 County Population : 0 Switch CLLI (Common Language Location Identifier) : WYNTNEXCRS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : GREAT PLAINS COMMUNICATIONS, INC. OCN (Operating Company Number) : 1577 Coverage Area Name : WYNOT Latitude : 42.7335 Longitude : -97.2476 ‹ previous : 402-357 next › : 402-357 Telephone Number List 402-357-0000 ~ 402-357-9999