Area Code +1-231-(4405000...4405999) 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 : 4405000 Subscriber Number To : 4405999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : 123 NET INC. 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-(4404000...4404999) next › : +1-231-(4406000...4406999) Dialling Instructions For trunk calls: 0 231 4405000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4405000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4405000 ~ 4405999 (Count: 1,000) Example: +1-231-4405000 / 0111-231-4405000 (1231-4405000 / 1-231-4405000) +1-231-4405001 / 0111-231-4405001 (1231-4405001 / 1-231-4405001) +1-231-4405002 / 0111-231-4405002 (1231-4405002 / 1-231-4405002) +1-231-4405003 / 0111-231-4405003 (1231-4405003 / 1-231-4405003) +1-231-4405004 / 0111-231-4405004 (1231-4405004 / 1-231-4405004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4405995 / 0111-231-4405995 (1231-4405995 / 1-231-4405995) +1-231-4405996 / 0111-231-4405996 (1231-4405996 / 1-231-4405996) +1-231-4405997 / 0111-231-4405997 (1231-4405997 / 1-231-4405997) +1-231-4405998 / 0111-231-4405998 (1231-4405998 / 1-231-4405998) +1-231-4405999 / 0111-231-4405999 (1231-4405999 / 1-231-4405999)