Area Code +1-231-(4579000...4579999) located in Muskegon, 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 : 4579000 Subscriber Number To : 4579999 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 : ACD TELECOM INC 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 : Muskegon Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.2400 Longitude : -86.2400 ‹ previous : +1-231-(4578000...4578999) next › : +1-231-(4590000...4590999) Dialling Instructions For trunk calls: 0 231 4579000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 4579000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4579000 ~ 4579999 (Count: 1,000) Example: +1-231-4579000 / 0111-231-4579000 (1231-4579000 / 1-231-4579000) +1-231-4579001 / 0111-231-4579001 (1231-4579001 / 1-231-4579001) +1-231-4579002 / 0111-231-4579002 (1231-4579002 / 1-231-4579002) +1-231-4579003 / 0111-231-4579003 (1231-4579003 / 1-231-4579003) +1-231-4579004 / 0111-231-4579004 (1231-4579004 / 1-231-4579004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-4579995 / 0111-231-4579995 (1231-4579995 / 1-231-4579995) +1-231-4579996 / 0111-231-4579996 (1231-4579996 / 1-231-4579996) +1-231-4579997 / 0111-231-4579997 (1231-4579997 / 1-231-4579997) +1-231-4579998 / 0111-231-4579998 (1231-4579998 / 1-231-4579998) +1-231-4579999 / 0111-231-4579999 (1231-4579999 / 1-231-4579999)
