Area Code 308-203 located in SIDNEY, CHEYENNE, NE, more detail is as below. Place NPA (Numbering Plan Area) : 308 NXX (Local Number Prefix) : 203 City : SIDNEY County : CHEYENNE State : NE (Nebraska) NXX Use Type : Landline NXX Intro Version : 6/17/2008 FIPS (Federal Information Processing Standards) : 31033 LATA (Local Access Transport Area) : 646 Rate Center : SIDNEY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 69162 Other Information NPANXX : 308203 County Population : 0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CHARTER FIBERLINK - NEBRASKA, LLC - NE OCN (Operating Company Number) : 753E Coverage Area Name : SIDNEY Latitude : 41.1423 Longitude : -102.9849 ‹ previous : 308-202 next › : 308-204 Telephone Number List 308-203-0000 ~ 308-203-9999