Area Code +1-231-(4409000...4409999) 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 : 4409000 Subscriber Number To : 4409999 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 : 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-(4408000...4408999) next › : +1-231-(4410000...4419999) Dialling Instructions For trunk calls: 0 231 4409000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4409000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4409000 ~ 4409999 (Count: 1,000) Example: +1-231-4409000 / 0111-231-4409000 (1231-4409000 / 1-231-4409000) +1-231-4409001 / 0111-231-4409001 (1231-4409001 / 1-231-4409001) +1-231-4409002 / 0111-231-4409002 (1231-4409002 / 1-231-4409002) +1-231-4409003 / 0111-231-4409003 (1231-4409003 / 1-231-4409003) +1-231-4409004 / 0111-231-4409004 (1231-4409004 / 1-231-4409004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4409995 / 0111-231-4409995 (1231-4409995 / 1-231-4409995) +1-231-4409996 / 0111-231-4409996 (1231-4409996 / 1-231-4409996) +1-231-4409997 / 0111-231-4409997 (1231-4409997 / 1-231-4409997) +1-231-4409998 / 0111-231-4409998 (1231-4409998 / 1-231-4409998) +1-231-4409999 / 0111-231-4409999 (1231-4409999 / 1-231-4409999)