Area Code +1-563-(5670000...5679999) located in Castalia, 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 : 5670000 Subscriber Number To : 5679999 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 : Castalia Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.1100 Longitude : -91.6800 ‹ previous : +1-563-(5669000...5669999) next › : +1-563-(5680000...5680999) Dialling Instructions For trunk calls: 0 563 5670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 563 5670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5670000 ~ 5679999 (Count: 10,000) Example: +1-563-5670000 / 0111-563-5670000 (1563-5670000 / 1-563-5670000) +1-563-5670001 / 0111-563-5670001 (1563-5670001 / 1-563-5670001) +1-563-5670002 / 0111-563-5670002 (1563-5670002 / 1-563-5670002) +1-563-5670003 / 0111-563-5670003 (1563-5670003 / 1-563-5670003) +1-563-5670004 / 0111-563-5670004 (1563-5670004 / 1-563-5670004) ...+1-563-xxxxxxx / 0111-563-xxxxxxx (1563-xxxxxxx / 1-563-xxxxxxx) ...+1-563-5679995 / 0111-563-5679995 (1563-5679995 / 1-563-5679995) +1-563-5679996 / 0111-563-5679996 (1563-5679996 / 1-563-5679996) +1-563-5679997 / 0111-563-5679997 (1563-5679997 / 1-563-5679997) +1-563-5679998 / 0111-563-5679998 (1563-5679998 / 1-563-5679998) +1-563-5679999 / 0111-563-5679999 (1563-5679999 / 1-563-5679999)