Area Code +1-231-(4148000...4148999) located in Newaygo, 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 : 4148000 Subscriber Number To : 4148999 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 : Newaygo Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.4200 Longitude : -85.8000 ‹ previous : +1-231-(4147000...4147999) next › : +1-231-(4149000...4149999) Dialling Instructions For trunk calls: 0 231 4148000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4148000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4148000 ~ 4148999 (Count: 1,000) Example: +1-231-4148000 / 0111-231-4148000 (1231-4148000 / 1-231-4148000) +1-231-4148001 / 0111-231-4148001 (1231-4148001 / 1-231-4148001) +1-231-4148002 / 0111-231-4148002 (1231-4148002 / 1-231-4148002) +1-231-4148003 / 0111-231-4148003 (1231-4148003 / 1-231-4148003) +1-231-4148004 / 0111-231-4148004 (1231-4148004 / 1-231-4148004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4148995 / 0111-231-4148995 (1231-4148995 / 1-231-4148995) +1-231-4148996 / 0111-231-4148996 (1231-4148996 / 1-231-4148996) +1-231-4148997 / 0111-231-4148997 (1231-4148997 / 1-231-4148997) +1-231-4148998 / 0111-231-4148998 (1231-4148998 / 1-231-4148998) +1-231-4148999 / 0111-231-4148999 (1231-4148999 / 1-231-4148999)