Area Code 289-623 located in MALTON, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 289 NXX (Local Number Prefix) : 623 City : MALTON State : ON (Ontario) NXX Use Type : Wireless NXX Intro Version : 2004-08-17 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 : 289623 County Population : 0 Coverage Area Name : MALTON Latitude : 43.7140 Longitude : -79.6384 ‹ previous : 289-566 next › : 289-669 Telephone Number List 289-623-0000 ~ 289-623-9999