Area Code 403-254 located in DE WINTON, , AB, more detail is as below. Place NPA (Numbering Plan Area) : 403 NXX (Local Number Prefix) : 254 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 : 1 ZIP Code : T0L 0X0 Other Information NPANXX : 403254 County Population : 55444 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Coverage Area Name : CALGARY Latitude : 51.0478 Longitude : -114.0585 ‹ previous : 403-254 next › : 403-254 Telephone Number List 403-254-0000 ~ 403-254-9999