Area Code +1-403-(2570000...2579999) 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 : 2570000 Subscriber Number To : 2579999 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-(2560000...2569999) next › : +1-403-(2580000...2589999) Dialling Instructions For trunk calls: 1 403 2570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 403 2570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2570000 ~ 2579999 (Count: 10,000) Example: +1-403-2570000 / 0111-403-2570000 (1403-2570000 / 1-403-2570000) +1-403-2570001 / 0111-403-2570001 (1403-2570001 / 1-403-2570001) +1-403-2570002 / 0111-403-2570002 (1403-2570002 / 1-403-2570002) +1-403-2570003 / 0111-403-2570003 (1403-2570003 / 1-403-2570003) +1-403-2570004 / 0111-403-2570004 (1403-2570004 / 1-403-2570004) ...+1-403-xxxxxxx / 0111-403-xxxxxxx (1403-xxxxxxx / 1-403-xxxxxxx) ...+1-403-2579995 / 0111-403-2579995 (1403-2579995 / 1-403-2579995) +1-403-2579996 / 0111-403-2579996 (1403-2579996 / 1-403-2579996) +1-403-2579997 / 0111-403-2579997 (1403-2579997 / 1-403-2579997) +1-403-2579998 / 0111-403-2579998 (1403-2579998 / 1-403-2579998) +1-403-2579999 / 0111-403-2579999 (1403-2579999 / 1-403-2579999)