Area Code 402-388 located in NORFOLK, MADISON, NE, more detail is as below. Place NPA (Numbering Plan Area) : 402 NXX (Local Number Prefix) : 388 City : NORFOLK County : MADISON State : NE (Nebraska) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 31119 LATA (Local Access Transport Area) : 644 Rate Center : CROFTON ZIP Code Count : 26 ZIP Code Frequency : 3 ZIP Code : 68702 Other Information NPANXX : 402388 County Population : 0 Switch CLLI (Common Language Location Identifier) : COTNNEXHRS0 MSA CBSA (Core Based Statistical Area) : Norfolk, NE MSA CBSA Code (Core Based Statistical Area) : 35740 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : GREAT PLAINS COMMUNICATIONS, INC. OCN (Operating Company Number) : 1577 Coverage Area Name : CROFTON Latitude : 42.7319 Longitude : -97.4993 ‹ previous : 402-387 next › : 402-388 Telephone Number List 402-388-0000 ~ 402-388-9999