Area Code 418-231 located in LONGUE-RIVE, , QC, more detail is as below. Place NPA (Numbering Plan Area) : 418 NXX (Local Number Prefix) : 231 City : LONGUE-RIVE State : QC (Quebec) NXX Use Type : Landline NXX Intro Version : 1994-02-04 LATA (Local Access Transport Area) : 850 ZIP Code Count : 0 ZIP Code Frequency : 53 ZIP Code : G0T 1Z0 Other Information NPANXX : 418231 County Population : 14853 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Coverage Area Name : SAINT AUSTIN MOUTAINS Latitude : 48.5432 Longitude : -69.2510 ‹ previous : 418-231 next › : 418-232 Telephone Number List 418-231-0000 ~ 418-231-9999