Area Code +1-231-(5700000...5700999) located in Fife Lake, Michigan (MI), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 231 Subscriber Number From : 5700000 Subscriber Number To : 5700999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS IL 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 : MI Region Name : Michigan City : Fife Lake Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.5800 Longitude : -85.3500 ‹ previous : +1-231-(5690000...5699999) next › : +1-231-(5701000...5701999) Dialling Instructions For trunk calls: 0 231 5700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 5700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5700000 ~ 5700999 (Count: 1,000) Example: +1-231-5700000 / 0111-231-5700000 (1231-5700000 / 1-231-5700000) +1-231-5700001 / 0111-231-5700001 (1231-5700001 / 1-231-5700001) +1-231-5700002 / 0111-231-5700002 (1231-5700002 / 1-231-5700002) +1-231-5700003 / 0111-231-5700003 (1231-5700003 / 1-231-5700003) +1-231-5700004 / 0111-231-5700004 (1231-5700004 / 1-231-5700004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-5700995 / 0111-231-5700995 (1231-5700995 / 1-231-5700995) +1-231-5700996 / 0111-231-5700996 (1231-5700996 / 1-231-5700996) +1-231-5700997 / 0111-231-5700997 (1231-5700997 / 1-231-5700997) +1-231-5700998 / 0111-231-5700998 (1231-5700998 / 1-231-5700998) +1-231-5700999 / 0111-231-5700999 (1231-5700999 / 1-231-5700999)