Area Code +1-231-(5389000...5389999) located in Fremont, 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 : 5389000 Subscriber Number To : 5389999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) Carrier Name : 123 NET INC. 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 : Fremont Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.4700 Longitude : -85.9400 ‹ previous : +1-231-(5388000...5388999) next › : +1-231-(5390000...5390999) Dialling Instructions For trunk calls: 0 231 5389000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 5389000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5389000 ~ 5389999 (Count: 1,000) Example: +1-231-5389000 / 0111-231-5389000 (1231-5389000 / 1-231-5389000) +1-231-5389001 / 0111-231-5389001 (1231-5389001 / 1-231-5389001) +1-231-5389002 / 0111-231-5389002 (1231-5389002 / 1-231-5389002) +1-231-5389003 / 0111-231-5389003 (1231-5389003 / 1-231-5389003) +1-231-5389004 / 0111-231-5389004 (1231-5389004 / 1-231-5389004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-5389995 / 0111-231-5389995 (1231-5389995 / 1-231-5389995) +1-231-5389996 / 0111-231-5389996 (1231-5389996 / 1-231-5389996) +1-231-5389997 / 0111-231-5389997 (1231-5389997 / 1-231-5389997) +1-231-5389998 / 0111-231-5389998 (1231-5389998 / 1-231-5389998) +1-231-5389999 / 0111-231-5389999 (1231-5389999 / 1-231-5389999)