Area Code +1-231-(5190000...5199999) 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 : 5190000 Subscriber Number To : 5199999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : VERIZON WIRELESS-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-(5189000...5189999) next › : +1-231-(5200000...5209999) Dialling Instructions For trunk calls: 0 231 5190000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 231 5190000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5190000 ~ 5199999 (Count: 10,000) Example: +1-231-5190000 / 0111-231-5190000 (1231-5190000 / 1-231-5190000) +1-231-5190001 / 0111-231-5190001 (1231-5190001 / 1-231-5190001) +1-231-5190002 / 0111-231-5190002 (1231-5190002 / 1-231-5190002) +1-231-5190003 / 0111-231-5190003 (1231-5190003 / 1-231-5190003) +1-231-5190004 / 0111-231-5190004 (1231-5190004 / 1-231-5190004) ...+1-231-xxxxxxx / 0111-231-xxxxxxx (1231-xxxxxxx / 1-231-xxxxxxx) ...+1-231-5199995 / 0111-231-5199995 (1231-5199995 / 1-231-5199995) +1-231-5199996 / 0111-231-5199996 (1231-5199996 / 1-231-5199996) +1-231-5199997 / 0111-231-5199997 (1231-5199997 / 1-231-5199997) +1-231-5199998 / 0111-231-5199998 (1231-5199998 / 1-231-5199998) +1-231-5199999 / 0111-231-5199999 (1231-5199999 / 1-231-5199999)