Area Code 308-399 located in ALDA, HALL, NE, more detail is as below. Place NPA (Numbering Plan Area) : 308 NXX (Local Number Prefix) : 399 City : ALDA County : HALL State : NE (Nebraska) NXX Use Type : Wireless NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 31079 Rate Center : GRAND IS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 68810 Other Information NPANXX : 308399 County Population : 0 Switch CLLI (Common Language Location Identifier) : GDISNEAKCM3 MSA CBSA (Core Based Statistical Area) : Grand Island, NE MSA CBSA Code (Core Based Statistical Area) : 24260 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 308-398 next › : 308-399 Telephone Number List 308-399-0000 ~ 308-399-9999