Area Code +1-403-(7700000...7709999) 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 : 7700000 Subscriber Number To : 7709999 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 : GT GROUP TELECOM SVC 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-(7690000...7699999) next › : +1-403-(7710000...7719999) Dialling Instructions For trunk calls: 1 403 7700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 403 7700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7700000 ~ 7709999 (Count: 10,000) Example: +1-403-7700000 / 0111-403-7700000 (1403-7700000 / 1-403-7700000) +1-403-7700001 / 0111-403-7700001 (1403-7700001 / 1-403-7700001) +1-403-7700002 / 0111-403-7700002 (1403-7700002 / 1-403-7700002) +1-403-7700003 / 0111-403-7700003 (1403-7700003 / 1-403-7700003) +1-403-7700004 / 0111-403-7700004 (1403-7700004 / 1-403-7700004) ...+1-403-xxxxxxx / 0111-403-xxxxxxx (1403-xxxxxxx / 1-403-xxxxxxx) ...+1-403-7709995 / 0111-403-7709995 (1403-7709995 / 1-403-7709995) +1-403-7709996 / 0111-403-7709996 (1403-7709996 / 1-403-7709996) +1-403-7709997 / 0111-403-7709997 (1403-7709997 / 1-403-7709997) +1-403-7709998 / 0111-403-7709998 (1403-7709998 / 1-403-7709998) +1-403-7709999 / 0111-403-7709999 (1403-7709999 / 1-403-7709999)