Area Code +1-231-(2993000...2993999) located in Manistee, 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 : 2993000 Subscriber Number To : 2993999 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 : Manistee Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 44.2500 Longitude : -86.3300 ‹ previous : +1-231-(2992000...2992999) next › : +1-231-(2994000...2994999) Dialling Instructions For trunk calls: 0 231 2993000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2993000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2993000 ~ 2993999 (Count: 1,000) Example: +1-231-2993000 / 0111-231-2993000 (1231-2993000 / 1-231-2993000) +1-231-2993001 / 0111-231-2993001 (1231-2993001 / 1-231-2993001) +1-231-2993002 / 0111-231-2993002 (1231-2993002 / 1-231-2993002) +1-231-2993003 / 0111-231-2993003 (1231-2993003 / 1-231-2993003) +1-231-2993004 / 0111-231-2993004 (1231-2993004 / 1-231-2993004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2993995 / 0111-231-2993995 (1231-2993995 / 1-231-2993995) +1-231-2993996 / 0111-231-2993996 (1231-2993996 / 1-231-2993996) +1-231-2993997 / 0111-231-2993997 (1231-2993997 / 1-231-2993997) +1-231-2993998 / 0111-231-2993998 (1231-2993998 / 1-231-2993998) +1-231-2993999 / 0111-231-2993999 (1231-2993999 / 1-231-2993999)