Area Code +1-231-(3771000...3771999) located in Clam River, 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 : 3771000 Subscriber Number To : 3771999 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 : Clam River Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.9500 Longitude : -85.2700 ‹ previous : +1-231-(3770000...3770999) next › : +1-231-(3772000...3772999) Dialling Instructions For trunk calls: 0 231 3771000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 3771000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3771000 ~ 3771999 (Count: 1,000) Example: +1-231-3771000 / 0111-231-3771000 (1231-3771000 / 1-231-3771000) +1-231-3771001 / 0111-231-3771001 (1231-3771001 / 1-231-3771001) +1-231-3771002 / 0111-231-3771002 (1231-3771002 / 1-231-3771002) +1-231-3771003 / 0111-231-3771003 (1231-3771003 / 1-231-3771003) +1-231-3771004 / 0111-231-3771004 (1231-3771004 / 1-231-3771004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-3771995 / 0111-231-3771995 (1231-3771995 / 1-231-3771995) +1-231-3771996 / 0111-231-3771996 (1231-3771996 / 1-231-3771996) +1-231-3771997 / 0111-231-3771997 (1231-3771997 / 1-231-3771997) +1-231-3771998 / 0111-231-3771998 (1231-3771998 / 1-231-3771998) +1-231-3771999 / 0111-231-3771999 (1231-3771999 / 1-231-3771999)
