Area Code 289-878 located in MILTON, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 289 NXX (Local Number Prefix) : 878 City : MILTON 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 : 289878 County Population : 78910 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : MILTON Latitude : 43.5183 Longitude : -79.8856 ‹ previous : 289-876 next › : 289-882 Telephone Number List 289-878-0000 ~ 289-878-9999