Area Code 519-334 located in DURHAM, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 519 NXX (Local Number Prefix) : 334 City : DURHAM 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 : 8 ZIP Code : N0G 1R0 Other Information NPANXX : 519334 County Population : 82117 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : HOLSTEIN Latitude : 44.0592 Longitude : -80.7559 ‹ previous : 519-333 next › : 519-334 Telephone Number List 519-334-0000 ~ 519-334-9999