Area Code +1-406-(5591000...5591999) located in Anaconda, 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 : 5591000 Subscriber Number To : 5591999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : VERIZON WIRELESS-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 : Anaconda Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 46.1300 Longitude : -112.9500 ‹ previous : +1-406-(5590000...5590999) next › : +1-406-(5592000...5592999) Dialling Instructions For trunk calls: 0 406 5591000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 406 5591000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5591000 ~ 5591999 (Count: 1,000) Example: +1-406-5591000 / 0111-406-5591000 (1406-5591000 / 1-406-5591000) +1-406-5591001 / 0111-406-5591001 (1406-5591001 / 1-406-5591001) +1-406-5591002 / 0111-406-5591002 (1406-5591002 / 1-406-5591002) +1-406-5591003 / 0111-406-5591003 (1406-5591003 / 1-406-5591003) +1-406-5591004 / 0111-406-5591004 (1406-5591004 / 1-406-5591004) ...+1-406-xxxxxxx / 0111-406-xxxxxxx (1406-xxxxxxx / 1-406-xxxxxxx) ...+1-406-5591995 / 0111-406-5591995 (1406-5591995 / 1-406-5591995) +1-406-5591996 / 0111-406-5591996 (1406-5591996 / 1-406-5591996) +1-406-5591997 / 0111-406-5591997 (1406-5591997 / 1-406-5591997) +1-406-5591998 / 0111-406-5591998 (1406-5591998 / 1-406-5591998) +1-406-5591999 / 0111-406-5591999 (1406-5591999 / 1-406-5591999)