Area Code 905-834 located in PORT COLBORNE, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 905 NXX (Local Number Prefix) : 834 City : PORT COLBORNE 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 : 1 ZIP Code : L3K 6A3 Other Information NPANXX : 905834 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : PORT COLBORNE Latitude : 42.8917 Longitude : -79.2607 ‹ previous : 905-834 next › : 905-834 Telephone Number List 905-834-0000 ~ 905-834-9999