Area Code 905-430 located in WHITBY, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 905 NXX (Local Number Prefix) : 430 City : WHITBY State : ON (Ontario) NXX Use Type : Landline NXX Intro Version : 1994-02-04 LATA (Local Access Transport Area) : 851 ZIP Code Count : 0 ZIP Code Frequency : 1 ZIP Code : L1P 1B8 Other Information NPANXX : 905430 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : WHITBY Latitude : 43.8768 Longitude : -78.9446 ‹ previous : 905-430 next › : 905-430 Telephone Number List 905-430-0000 ~ 905-430-9999