Area Code 219-303 located in GARY, LAKE, IN, more detail is as below. Place NPA (Numbering Plan Area) : 219 NXX (Local Number Prefix) : 303 City : GARY County : LAKE State : IN (Indiana) NXX Use Type : Wireless NXX Intro Version : 9/28/2012 FIPS (Federal Information Processing Standards) : 18089 LATA (Local Access Transport Area) : 358 Rate Center : GARY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 46407 Other Information NPANXX : 219303 County Population : 0 MSA CBSA (Core Based Statistical Area) : Chicago-Naperville-Joliet, IL-IN-WI MSA CBSA Code (Core Based Statistical Area) : 16980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Coverage Area Name : GARY Latitude : 41.5933 Longitude : -87.3436 ‹ previous : 219-302 next › : 219-305 Telephone Number List 219-303-0000 ~ 219-303-9999