Area Code +1-563-(4230000...4239999) located in Clermont, Iowa (IA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 563 Subscriber Number From : 4230000 Subscriber Number To : 4239999 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 : ACE TEL ASSN - 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 : Clermont Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.0000 Longitude : -91.6500 ‹ previous : +1-563-(4229000...4229999) next › : +1-563-(4240000...4240999) Dialling Instructions For trunk calls: 0 563 4230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 563 4230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4230000 ~ 4239999 (Count: 10,000) Example: +1-563-4230000 / 0111-563-4230000 (1563-4230000 / 1-563-4230000) +1-563-4230001 / 0111-563-4230001 (1563-4230001 / 1-563-4230001) +1-563-4230002 / 0111-563-4230002 (1563-4230002 / 1-563-4230002) +1-563-4230003 / 0111-563-4230003 (1563-4230003 / 1-563-4230003) +1-563-4230004 / 0111-563-4230004 (1563-4230004 / 1-563-4230004) ...+1-563-xxxxxxx / 0111-563-xxxxxxx (1563-xxxxxxx / 1-563-xxxxxxx) ...+1-563-4239995 / 0111-563-4239995 (1563-4239995 / 1-563-4239995) +1-563-4239996 / 0111-563-4239996 (1563-4239996 / 1-563-4239996) +1-563-4239997 / 0111-563-4239997 (1563-4239997 / 1-563-4239997) +1-563-4239998 / 0111-563-4239998 (1563-4239998 / 1-563-4239998) +1-563-4239999 / 0111-563-4239999 (1563-4239999 / 1-563-4239999)