Area Code 403-558 located in DE WINTON, , AB, more detail is as below. Place NPA (Numbering Plan Area) : 403 NXX (Local Number Prefix) : 558 City : DE WINTON State : AB (Alberta) NXX Use Type : Landline NXX Intro Version : 1994-02-04 LATA (Local Access Transport Area) : 884 ZIP Code Count : 0 ZIP Code Frequency : 2 ZIP Code : T0L 1T0 Other Information NPANXX : 403558 County Population : 55444 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Coverage Area Name : LONGVIEW Latitude : 50.5295 Longitude : -114.2362 ‹ previous : 403-558 next › : 403-558 Telephone Number List 403-558-0000 ~ 403-558-9999