Area Code +1-712-(5639000...5639999) located in Audubon, 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 : 5639000 Subscriber Number To : 5639999 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 : WINDSTREAM IOWA SYS 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 : Audubon Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.7200 Longitude : -94.9300 ‹ previous : +1-712-(5638000...5638999) next › : +1-712-(5660000...5660999) Dialling Instructions For trunk calls: 0 712 5639000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 712 5639000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5639000 ~ 5639999 (Count: 1,000) Example: +1-712-5639000 / 0111-712-5639000 (1712-5639000 / 1-712-5639000) +1-712-5639001 / 0111-712-5639001 (1712-5639001 / 1-712-5639001) +1-712-5639002 / 0111-712-5639002 (1712-5639002 / 1-712-5639002) +1-712-5639003 / 0111-712-5639003 (1712-5639003 / 1-712-5639003) +1-712-5639004 / 0111-712-5639004 (1712-5639004 / 1-712-5639004) ...+1-712-xxxxxxx / 0111-712-xxxxxxx (1712-xxxxxxx / 1-712-xxxxxxx) ...+1-712-5639995 / 0111-712-5639995 (1712-5639995 / 1-712-5639995) +1-712-5639996 / 0111-712-5639996 (1712-5639996 / 1-712-5639996) +1-712-5639997 / 0111-712-5639997 (1712-5639997 / 1-712-5639997) +1-712-5639998 / 0111-712-5639998 (1712-5639998 / 1-712-5639998) +1-712-5639999 / 0111-712-5639999 (1712-5639999 / 1-712-5639999)