Area Code +1-970-(4031000...4031999) located in Durango, Colorado (CO), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 970 Subscriber Number From : 4031000 Subscriber Number To : 4031999 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 : ZIPPYTECH INC 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 : CO Region Name : Colorado City : Durango Timezone : America/Denver Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 37.2700 Longitude : -107.8800 ‹ previous : +1-970-(4030000...4030999) next › : +1-970-(4032000...4032999) Dialling Instructions For trunk calls: 0 970 4031000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 970 4031000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4031000 ~ 4031999 (Count: 1,000) Example: +1-970-4031000 / 0111-970-4031000 (1970-4031000 / 1-970-4031000) +1-970-4031001 / 0111-970-4031001 (1970-4031001 / 1-970-4031001) +1-970-4031002 / 0111-970-4031002 (1970-4031002 / 1-970-4031002) +1-970-4031003 / 0111-970-4031003 (1970-4031003 / 1-970-4031003) +1-970-4031004 / 0111-970-4031004 (1970-4031004 / 1-970-4031004) ...+1-970-xxxxxxx / 0111-970-xxxxxxx (1970-xxxxxxx / 1-970-xxxxxxx) ...+1-970-4031995 / 0111-970-4031995 (1970-4031995 / 1-970-4031995) +1-970-4031996 / 0111-970-4031996 (1970-4031996 / 1-970-4031996) +1-970-4031997 / 0111-970-4031997 (1970-4031997 / 1-970-4031997) +1-970-4031998 / 0111-970-4031998 (1970-4031998 / 1-970-4031998) +1-970-4031999 / 0111-970-4031999 (1970-4031999 / 1-970-4031999)