Area Code 519-358 located in CHATHAM, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 519 NXX (Local Number Prefix) : 358 City : CHATHAM 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 : 2 ZIP Code : N7L 1E2 Other Information NPANXX : 519358 County Population : 24821 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : CHATHAM Latitude : 42.4087 Longitude : -82.1825 ‹ previous : 519-358 next › : 519-359 Telephone Number List 519-358-0000 ~ 519-358-9999