Area Code +1-231-(6366000...6366999) located in Howard City, 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 : 6366000 Subscriber Number To : 6366999 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 : Howard City Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.4000 Longitude : -85.4700 ‹ previous : +1-231-(6365000...6365999) next › : +1-231-(6367000...6367999) Dialling Instructions For trunk calls: 0 231 6366000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 6366000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6366000 ~ 6366999 (Count: 1,000) Example: +1-231-6366000 / 0111-231-6366000 (1231-6366000 / 1-231-6366000) +1-231-6366001 / 0111-231-6366001 (1231-6366001 / 1-231-6366001) +1-231-6366002 / 0111-231-6366002 (1231-6366002 / 1-231-6366002) +1-231-6366003 / 0111-231-6366003 (1231-6366003 / 1-231-6366003) +1-231-6366004 / 0111-231-6366004 (1231-6366004 / 1-231-6366004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-6366995 / 0111-231-6366995 (1231-6366995 / 1-231-6366995) +1-231-6366996 / 0111-231-6366996 (1231-6366996 / 1-231-6366996) +1-231-6366997 / 0111-231-6366997 (1231-6366997 / 1-231-6366997) +1-231-6366998 / 0111-231-6366998 (1231-6366998 / 1-231-6366998) +1-231-6366999 / 0111-231-6366999 (1231-6366999 / 1-231-6366999)