Area Code +1-231-(2599000...2599999) located in Shelby, 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 : 2599000 Subscriber Number To : 2599999 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 : Shelby Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.6100 Longitude : -86.3600 ‹ previous : +1-231-(2595000...2595999) next › : +1-231-(2621000...2621999) Dialling Instructions For trunk calls: 0 231 2599000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2599000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2599000 ~ 2599999 (Count: 1,000) Example: +1-231-2599000 / 0111-231-2599000 (1231-2599000 / 1-231-2599000) +1-231-2599001 / 0111-231-2599001 (1231-2599001 / 1-231-2599001) +1-231-2599002 / 0111-231-2599002 (1231-2599002 / 1-231-2599002) +1-231-2599003 / 0111-231-2599003 (1231-2599003 / 1-231-2599003) +1-231-2599004 / 0111-231-2599004 (1231-2599004 / 1-231-2599004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2599995 / 0111-231-2599995 (1231-2599995 / 1-231-2599995) +1-231-2599996 / 0111-231-2599996 (1231-2599996 / 1-231-2599996) +1-231-2599997 / 0111-231-2599997 (1231-2599997 / 1-231-2599997) +1-231-2599998 / 0111-231-2599998 (1231-2599998 / 1-231-2599998) +1-231-2599999 / 0111-231-2599999 (1231-2599999 / 1-231-2599999)