Area Code 519-646 located in LONDON, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 519 NXX (Local Number Prefix) : 646 City : LONDON 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 : N6A 3J4 Other Information NPANXX : 519646 County Population : 10050 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : LONDON Latitude : 42.9841 Longitude : -81.2513 ‹ previous : 519-646 next › : 519-646 Telephone Number List 519-646-0000 ~ 519-646-9999