Area Code +1-231-(5705000...5705999) 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 : 5705000 Subscriber Number To : 5705999 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 : ONVOY LLC - MI 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-(5704000...5704999) next › : +1-231-(5706000...5706999) Dialling Instructions For trunk calls: 0 231 5705000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 5705000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5705000 ~ 5705999 (Count: 1,000) Example: +1-231-5705000 / 0111-231-5705000 (1231-5705000 / 1-231-5705000) +1-231-5705001 / 0111-231-5705001 (1231-5705001 / 1-231-5705001) +1-231-5705002 / 0111-231-5705002 (1231-5705002 / 1-231-5705002) +1-231-5705003 / 0111-231-5705003 (1231-5705003 / 1-231-5705003) +1-231-5705004 / 0111-231-5705004 (1231-5705004 / 1-231-5705004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-5705995 / 0111-231-5705995 (1231-5705995 / 1-231-5705995) +1-231-5705996 / 0111-231-5705996 (1231-5705996 / 1-231-5705996) +1-231-5705997 / 0111-231-5705997 (1231-5705997 / 1-231-5705997) +1-231-5705998 / 0111-231-5705998 (1231-5705998 / 1-231-5705998) +1-231-5705999 / 0111-231-5705999 (1231-5705999 / 1-231-5705999)