Area Code 519-203 located in LAMBETH, , ON, more detail is as below. Place NPA (Numbering Plan Area) : 519 NXX (Local Number Prefix) : 203 City : LAMBETH State : ON (Ontario) NXX Use Type : Landline NXX Intro Version : 2005-10-13 LATA (Local Access Transport Area) : 851 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. Other Information NPANXX : 519203 County Population : 0 Coverage Area Name : LAMBETH Latitude : 42.9107 Longitude : -81.2927 ‹ previous : 519-202 next › : 519-204 Telephone Number List 519-203-0000 ~ 519-203-9999