Area Code 289-868 located in NIAGARA ON THE LAKE, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 289 NXX (Local Number Prefix) : 868 City : NIAGARA ON THE LAKE State : ON (Ontario) NXX Use Type : Landline NXX Intro Version : 2006-06-01 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 : 289868 County Population : 51669 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : NIAGARA ON THE LAKE Latitude : 43.2589 Longitude : -79.0737 ‹ previous : 289-836 next › : 289-876 Telephone Number List 289-868-0000 ~ 289-868-9999