Area Code 705-636 located in OSHAWA, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 705 NXX (Local Number Prefix) : 636 City : OSHAWA 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 : 0 ZIP Code : L1H 8A7 Other Information NPANXX : 705636 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : EMSDALE Latitude : 45.5243 Longitude : -79.3193 ‹ previous : 705-636 next › : 705-636 Telephone Number List 705-636-0000 ~ 705-636-9999