Area Code +1-712-(4780000...4789999) located in Lester, 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 : 4780000 Subscriber Number To : 4789999 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 : Lester Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.4400 Longitude : -96.3300 ‹ previous : +1-712-(4770000...4779999) next › : +1-712-(4790000...4799999) Dialling Instructions For trunk calls: 0 712 4780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 712 4780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4780000 ~ 4789999 (Count: 10,000) Example: +1-712-4780000 / 0111-712-4780000 (1712-4780000 / 1-712-4780000) +1-712-4780001 / 0111-712-4780001 (1712-4780001 / 1-712-4780001) +1-712-4780002 / 0111-712-4780002 (1712-4780002 / 1-712-4780002) +1-712-4780003 / 0111-712-4780003 (1712-4780003 / 1-712-4780003) +1-712-4780004 / 0111-712-4780004 (1712-4780004 / 1-712-4780004) ...+1-712-xxxxxxx / 0111-712-xxxxxxx (1712-xxxxxxx / 1-712-xxxxxxx) ...+1-712-4789995 / 0111-712-4789995 (1712-4789995 / 1-712-4789995) +1-712-4789996 / 0111-712-4789996 (1712-4789996 / 1-712-4789996) +1-712-4789997 / 0111-712-4789997 (1712-4789997 / 1-712-4789997) +1-712-4789998 / 0111-712-4789998 (1712-4789998 / 1-712-4789998) +1-712-4789999 / 0111-712-4789999 (1712-4789999 / 1-712-4789999)