Area Code +1-406-(2012000...2012999) located in Forsyth, 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 : 2012000 Subscriber Number To : 2012999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : NEW CINGULAR WIRLESS 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 : Forsyth Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 46.2700 Longitude : -106.6800 ‹ previous : +1-406-(2010000...2010999) next › : +1-406-(2013000...2013999) Dialling Instructions For trunk calls: 0 406 2012000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 406 2012000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2012000 ~ 2012999 (Count: 1,000) Example: +1-406-2012000 / 0111-406-2012000 (1406-2012000 / 1-406-2012000) +1-406-2012001 / 0111-406-2012001 (1406-2012001 / 1-406-2012001) +1-406-2012002 / 0111-406-2012002 (1406-2012002 / 1-406-2012002) +1-406-2012003 / 0111-406-2012003 (1406-2012003 / 1-406-2012003) +1-406-2012004 / 0111-406-2012004 (1406-2012004 / 1-406-2012004) ...+1-406-xxxxxxx / 0111-406-xxxxxxx (1406-xxxxxxx / 1-406-xxxxxxx) ...+1-406-2012995 / 0111-406-2012995 (1406-2012995 / 1-406-2012995) +1-406-2012996 / 0111-406-2012996 (1406-2012996 / 1-406-2012996) +1-406-2012997 / 0111-406-2012997 (1406-2012997 / 1-406-2012997) +1-406-2012998 / 0111-406-2012998 (1406-2012998 / 1-406-2012998) +1-406-2012999 / 0111-406-2012999 (1406-2012999 / 1-406-2012999)