Area Code +1-403-(2780000...2789999) located in Calgary, Alberta (AB), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 403 Subscriber Number From : 2780000 Subscriber Number To : 2789999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TELUS COMM INC Click here to buy Canada Area Code Database Other Information Language Code : en (English) Country Number : 124 (Canada) Country Code : CA (Canada) Region Code : AB Region Name : Alberta City : Calgary Timezone : America/Edmonton Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.0500 Longitude : -114.0600 ‹ previous : +1-403-(2770000...2779999) next › : +1-403-(2790000...2799999) Dialling Instructions For trunk calls: 1 403 2780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 403 2780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2780000 ~ 2789999 (Count: 10,000) Example: +1-403-2780000 / 0111-403-2780000 (1403-2780000 / 1-403-2780000) +1-403-2780001 / 0111-403-2780001 (1403-2780001 / 1-403-2780001) +1-403-2780002 / 0111-403-2780002 (1403-2780002 / 1-403-2780002) +1-403-2780003 / 0111-403-2780003 (1403-2780003 / 1-403-2780003) +1-403-2780004 / 0111-403-2780004 (1403-2780004 / 1-403-2780004) ...+1-403-xxxxxxx / 0111-403-xxxxxxx (1403-xxxxxxx / 1-403-xxxxxxx) ...+1-403-2789995 / 0111-403-2789995 (1403-2789995 / 1-403-2789995) +1-403-2789996 / 0111-403-2789996 (1403-2789996 / 1-403-2789996) +1-403-2789997 / 0111-403-2789997 (1403-2789997 / 1-403-2789997) +1-403-2789998 / 0111-403-2789998 (1403-2789998 / 1-403-2789998) +1-403-2789999 / 0111-403-2789999 (1403-2789999 / 1-403-2789999)