Area Code 905-217 located in WHITBY, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 905 NXX (Local Number Prefix) : 217 City : WHITBY State : ON (Ontario) NXX Use Type : Landline NXX Intro Version : 2005-03-27 LATA (Local Access Transport Area) : 851 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. Other Information NPANXX : 905217 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : WHITBY Latitude : 43.8768 Longitude : -78.9446 ‹ previous : 905-216 next › : 905-218 Telephone Number List 905-217-0000 ~ 905-217-9999