Area Code +1-231-(4401000...4401999) located in Baldwin, 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 : 4401000 Subscriber Number To : 4401999 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 : BROADVOX-CLEC - 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 : Baldwin Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.9000 Longitude : -85.8500 ‹ previous : +1-231-(4400000...4400999) next › : +1-231-(4402000...4402999) Dialling Instructions For trunk calls: 0 231 4401000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4401000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4401000 ~ 4401999 (Count: 1,000) Example: +1-231-4401000 / 0111-231-4401000 (1231-4401000 / 1-231-4401000) +1-231-4401001 / 0111-231-4401001 (1231-4401001 / 1-231-4401001) +1-231-4401002 / 0111-231-4401002 (1231-4401002 / 1-231-4401002) +1-231-4401003 / 0111-231-4401003 (1231-4401003 / 1-231-4401003) +1-231-4401004 / 0111-231-4401004 (1231-4401004 / 1-231-4401004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4401995 / 0111-231-4401995 (1231-4401995 / 1-231-4401995) +1-231-4401996 / 0111-231-4401996 (1231-4401996 / 1-231-4401996) +1-231-4401997 / 0111-231-4401997 (1231-4401997 / 1-231-4401997) +1-231-4401998 / 0111-231-4401998 (1231-4401998 / 1-231-4401998) +1-231-4401999 / 0111-231-4401999 (1231-4401999 / 1-231-4401999)