Area Code +1-231-(2374000...2374999) 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 : 2374000 Subscriber Number To : 2374999 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 : LEVEL 3 COMM - 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-(2373000...2373999) next › : +1-231-(2375000...2375999) Dialling Instructions For trunk calls: 0 231 2374000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2374000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2374000 ~ 2374999 (Count: 1,000) Example: +1-231-2374000 / 0111-231-2374000 (1231-2374000 / 1-231-2374000) +1-231-2374001 / 0111-231-2374001 (1231-2374001 / 1-231-2374001) +1-231-2374002 / 0111-231-2374002 (1231-2374002 / 1-231-2374002) +1-231-2374003 / 0111-231-2374003 (1231-2374003 / 1-231-2374003) +1-231-2374004 / 0111-231-2374004 (1231-2374004 / 1-231-2374004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2374995 / 0111-231-2374995 (1231-2374995 / 1-231-2374995) +1-231-2374996 / 0111-231-2374996 (1231-2374996 / 1-231-2374996) +1-231-2374997 / 0111-231-2374997 (1231-2374997 / 1-231-2374997) +1-231-2374998 / 0111-231-2374998 (1231-2374998 / 1-231-2374998) +1-231-2374999 / 0111-231-2374999 (1231-2374999 / 1-231-2374999)