Area Code +1-231-(2372000...2372999) located in Charlevoix, 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 : 2372000 Subscriber Number To : 2372999 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 : Charlevoix Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.3200 Longitude : -85.2600 ‹ previous : +1-231-(2371000...2371999) next › : +1-231-(2373000...2373999) Dialling Instructions For trunk calls: 0 231 2372000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2372000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2372000 ~ 2372999 (Count: 1,000) Example: +1-231-2372000 / 0111-231-2372000 (1231-2372000 / 1-231-2372000) +1-231-2372001 / 0111-231-2372001 (1231-2372001 / 1-231-2372001) +1-231-2372002 / 0111-231-2372002 (1231-2372002 / 1-231-2372002) +1-231-2372003 / 0111-231-2372003 (1231-2372003 / 1-231-2372003) +1-231-2372004 / 0111-231-2372004 (1231-2372004 / 1-231-2372004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2372995 / 0111-231-2372995 (1231-2372995 / 1-231-2372995) +1-231-2372996 / 0111-231-2372996 (1231-2372996 / 1-231-2372996) +1-231-2372997 / 0111-231-2372997 (1231-2372997 / 1-231-2372997) +1-231-2372998 / 0111-231-2372998 (1231-2372998 / 1-231-2372998) +1-231-2372999 / 0111-231-2372999 (1231-2372999 / 1-231-2372999)