Area Code 705-458 located in NEWMARKET, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 705 NXX (Local Number Prefix) : 458 City : NEWMARKET 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 : L3Y 2B5 Other Information NPANXX : 705458 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : COOKSTOWN Latitude : 44.1924 Longitude : -79.7051 ‹ previous : 705-458 next › : 705-458 Telephone Number List 705-458-0000 ~ 705-458-9999