Area Code +1-231-(4210000...4210999) located in Traverse City, 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 : 4210000 Subscriber Number To : 4210999 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 : ACD TELECOM INC 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 : Traverse City Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.7600 Longitude : -85.6200 ‹ previous : +1-231-(4200000...4209999) next › : +1-231-(4211000...4211999) Dialling Instructions For trunk calls: 0 231 4210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4210000 ~ 4210999 (Count: 1,000) Example: +1-231-4210000 / 0111-231-4210000 (1231-4210000 / 1-231-4210000) +1-231-4210001 / 0111-231-4210001 (1231-4210001 / 1-231-4210001) +1-231-4210002 / 0111-231-4210002 (1231-4210002 / 1-231-4210002) +1-231-4210003 / 0111-231-4210003 (1231-4210003 / 1-231-4210003) +1-231-4210004 / 0111-231-4210004 (1231-4210004 / 1-231-4210004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4210995 / 0111-231-4210995 (1231-4210995 / 1-231-4210995) +1-231-4210996 / 0111-231-4210996 (1231-4210996 / 1-231-4210996) +1-231-4210997 / 0111-231-4210997 (1231-4210997 / 1-231-4210997) +1-231-4210998 / 0111-231-4210998 (1231-4210998 / 1-231-4210998) +1-231-4210999 / 0111-231-4210999 (1231-4210999 / 1-231-4210999)