Area Code +1-406-(8635000...8635999) located in Whitefish, 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 : 8635000 Subscriber Number To : 8635999 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 : Whitefish Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 48.4100 Longitude : -114.3400 ‹ previous : +1-406-(8633000...8633999) next › : +1-406-(8636000...8636999) Dialling Instructions For trunk calls: 0 406 8635000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 406 8635000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8635000 ~ 8635999 (Count: 1,000) Example: +1-406-8635000 / 0111-406-8635000 (1406-8635000 / 1-406-8635000) +1-406-8635001 / 0111-406-8635001 (1406-8635001 / 1-406-8635001) +1-406-8635002 / 0111-406-8635002 (1406-8635002 / 1-406-8635002) +1-406-8635003 / 0111-406-8635003 (1406-8635003 / 1-406-8635003) +1-406-8635004 / 0111-406-8635004 (1406-8635004 / 1-406-8635004) ...+1-406-xxxxxxx / 0111-406-xxxxxxx (1406-xxxxxxx / 1-406-xxxxxxx) ...+1-406-8635995 / 0111-406-8635995 (1406-8635995 / 1-406-8635995) +1-406-8635996 / 0111-406-8635996 (1406-8635996 / 1-406-8635996) +1-406-8635997 / 0111-406-8635997 (1406-8635997 / 1-406-8635997) +1-406-8635998 / 0111-406-8635998 (1406-8635998 / 1-406-8635998) +1-406-8635999 / 0111-406-8635999 (1406-8635999 / 1-406-8635999)