Area Code +1-712-(9640000...9649999) located in South Hills, Iowa (IA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 712 Subscriber Number From : 9640000 Subscriber Number To : 9649999 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 : ALLIANCE COM COOP-IA 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 : IA Region Name : Iowa City : South Hills Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.5200 Longitude : -96.3600 ‹ previous : +1-712-(9630000...9639999) next › : +1-712-(9730000...9739999) Dialling Instructions For trunk calls: 0 712 9640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 712 9640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9640000 ~ 9649999 (Count: 10,000) Example: +1-712-9640000 / 0111-712-9640000 (1712-9640000 / 1-712-9640000) +1-712-9640001 / 0111-712-9640001 (1712-9640001 / 1-712-9640001) +1-712-9640002 / 0111-712-9640002 (1712-9640002 / 1-712-9640002) +1-712-9640003 / 0111-712-9640003 (1712-9640003 / 1-712-9640003) +1-712-9640004 / 0111-712-9640004 (1712-9640004 / 1-712-9640004) ...+1-712-xxxxxxx / 0111-712-xxxxxxx (1712-xxxxxxx / 1-712-xxxxxxx) ...+1-712-9649995 / 0111-712-9649995 (1712-9649995 / 1-712-9649995) +1-712-9649996 / 0111-712-9649996 (1712-9649996 / 1-712-9649996) +1-712-9649997 / 0111-712-9649997 (1712-9649997 / 1-712-9649997) +1-712-9649998 / 0111-712-9649998 (1712-9649998 / 1-712-9649998) +1-712-9649999 / 0111-712-9649999 (1712-9649999 / 1-712-9649999)