Area Code +1-406-(7706000...7706999) located in Great Falls, Montana (MT), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 406 Subscriber Number From : 7706000 Subscriber Number To : 7706999 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 : TELEPORT COM AM - MT Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : MT Region Name : Montana City : Great Falls Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 47.5100 Longitude : -111.2900 ‹ previous : +1-406-(7704000...7704999) next › : +1-406-(7710000...7719999) Dialling Instructions For trunk calls: 0 406 7706000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 406 7706000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7706000 ~ 7706999 (Count: 1,000) Example: +1-406-7706000 / 0111-406-7706000 (1406-7706000 / 1-406-7706000) +1-406-7706001 / 0111-406-7706001 (1406-7706001 / 1-406-7706001) +1-406-7706002 / 0111-406-7706002 (1406-7706002 / 1-406-7706002) +1-406-7706003 / 0111-406-7706003 (1406-7706003 / 1-406-7706003) +1-406-7706004 / 0111-406-7706004 (1406-7706004 / 1-406-7706004) ...+1-406-xxxxxxx / 0111-406-xxxxxxx (1406-xxxxxxx / 1-406-xxxxxxx) ...+1-406-7706995 / 0111-406-7706995 (1406-7706995 / 1-406-7706995) +1-406-7706996 / 0111-406-7706996 (1406-7706996 / 1-406-7706996) +1-406-7706997 / 0111-406-7706997 (1406-7706997 / 1-406-7706997) +1-406-7706998 / 0111-406-7706998 (1406-7706998 / 1-406-7706998) +1-406-7706999 / 0111-406-7706999 (1406-7706999 / 1-406-7706999)