Area Code 403-861 located in CALGARY, , AB, more detail is as below. Place NPA (Numbering Plan Area) : 403 NXX (Local Number Prefix) : 861 City : CALGARY State : AB (Alberta) NXX Use Type : Wireless NXX Intro Version : 1994-09-11 LATA (Local Access Transport Area) : 884 ZIP Code Count : 0 ZIP Code Frequency : 13 ZIP Code : T2N 0E8 Other Information NPANXX : 403861 County Population : 23247 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Coverage Area Name : CALGARY Latitude : 51.0478 Longitude : -114.0585 ‹ previous : 403-860 next › : 403-861 Telephone Number List 403-861-0000 ~ 403-861-9999