Area Code +1-231-(2999000...2999999) 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 : 2999000 Subscriber Number To : 2999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : SPRINT SPECTRUM LP 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-(2998000...2998999) next › : +1-231-(3010000...3010999) Dialling Instructions For trunk calls: 0 231 2999000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 2999000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2999000 ~ 2999999 (Count: 1,000) Example: +1-231-2999000 / 0111-231-2999000 (1231-2999000 / 1-231-2999000) +1-231-2999001 / 0111-231-2999001 (1231-2999001 / 1-231-2999001) +1-231-2999002 / 0111-231-2999002 (1231-2999002 / 1-231-2999002) +1-231-2999003 / 0111-231-2999003 (1231-2999003 / 1-231-2999003) +1-231-2999004 / 0111-231-2999004 (1231-2999004 / 1-231-2999004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-2999995 / 0111-231-2999995 (1231-2999995 / 1-231-2999995) +1-231-2999996 / 0111-231-2999996 (1231-2999996 / 1-231-2999996) +1-231-2999997 / 0111-231-2999997 (1231-2999997 / 1-231-2999997) +1-231-2999998 / 0111-231-2999998 (1231-2999998 / 1-231-2999998) +1-231-2999999 / 0111-231-2999999 (1231-2999999 / 1-231-2999999)