Area Code +1-231-(3995000...3995999) located in Frankfort, 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 : 3995000 Subscriber Number To : 3995999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : AT&T CORP. 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 : Frankfort Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.6300 Longitude : -86.2400 ‹ previous : +1-231-(3994000...3994999) next › : +1-231-(3997000...3997999) Dialling Instructions For trunk calls: 0 231 3995000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 3995000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3995000 ~ 3995999 (Count: 1,000) Example: +1-231-3995000 / 0111-231-3995000 (1231-3995000 / 1-231-3995000) +1-231-3995001 / 0111-231-3995001 (1231-3995001 / 1-231-3995001) +1-231-3995002 / 0111-231-3995002 (1231-3995002 / 1-231-3995002) +1-231-3995003 / 0111-231-3995003 (1231-3995003 / 1-231-3995003) +1-231-3995004 / 0111-231-3995004 (1231-3995004 / 1-231-3995004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-3995995 / 0111-231-3995995 (1231-3995995 / 1-231-3995995) +1-231-3995996 / 0111-231-3995996 (1231-3995996 / 1-231-3995996) +1-231-3995997 / 0111-231-3995997 (1231-3995997 / 1-231-3995997) +1-231-3995998 / 0111-231-3995998 (1231-3995998 / 1-231-3995998) +1-231-3995999 / 0111-231-3995999 (1231-3995999 / 1-231-3995999)
