Area Code 519-644 located in LONDON, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 519 NXX (Local Number Prefix) : 644 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 : 0 ZIP Code : N6E 2S8 Other Information NPANXX : 519644 County Population : 27909 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : BELMONT Latitude : 42.8940 Longitude : -81.0929 ‹ previous : 519-644 next › : 519-644 Telephone Number List 519-644-0000 ~ 519-644-9999