Area Code +1-231-(5388000...5388999) 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 : 5388000 Subscriber Number To : 5388999 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 : BANDWIDTH.COM - 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 : 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-(5387000...5387999) next › : +1-231-(5389000...5389999) Dialling Instructions For trunk calls: 0 231 5388000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 5388000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5388000 ~ 5388999 (Count: 1,000) Example: +1-231-5388000 / 0111-231-5388000 (1231-5388000 / 1-231-5388000) +1-231-5388001 / 0111-231-5388001 (1231-5388001 / 1-231-5388001) +1-231-5388002 / 0111-231-5388002 (1231-5388002 / 1-231-5388002) +1-231-5388003 / 0111-231-5388003 (1231-5388003 / 1-231-5388003) +1-231-5388004 / 0111-231-5388004 (1231-5388004 / 1-231-5388004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-5388995 / 0111-231-5388995 (1231-5388995 / 1-231-5388995) +1-231-5388996 / 0111-231-5388996 (1231-5388996 / 1-231-5388996) +1-231-5388997 / 0111-231-5388997 (1231-5388997 / 1-231-5388997) +1-231-5388998 / 0111-231-5388998 (1231-5388998 / 1-231-5388998) +1-231-5388999 / 0111-231-5388999 (1231-5388999 / 1-231-5388999)