Area Code +1-231-(2221000...2221999) located in East Jordan, 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 : 2221000 Subscriber Number To : 2221999 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 : East Jordan Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.1600 Longitude : -85.1300 ‹ previous : +1-231-(2220000...2220999) next › : +1-231-(2222000...2222999) Dialling Instructions For trunk calls: 0 231 2221000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2221000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2221000 ~ 2221999 (Count: 1,000) Example: +1-231-2221000 / 0111-231-2221000 (1231-2221000 / 1-231-2221000) +1-231-2221001 / 0111-231-2221001 (1231-2221001 / 1-231-2221001) +1-231-2221002 / 0111-231-2221002 (1231-2221002 / 1-231-2221002) +1-231-2221003 / 0111-231-2221003 (1231-2221003 / 1-231-2221003) +1-231-2221004 / 0111-231-2221004 (1231-2221004 / 1-231-2221004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2221995 / 0111-231-2221995 (1231-2221995 / 1-231-2221995) +1-231-2221996 / 0111-231-2221996 (1231-2221996 / 1-231-2221996) +1-231-2221997 / 0111-231-2221997 (1231-2221997 / 1-231-2221997) +1-231-2221998 / 0111-231-2221998 (1231-2221998 / 1-231-2221998) +1-231-2221999 / 0111-231-2221999 (1231-2221999 / 1-231-2221999)