Area Code +1-248-(7770000...7770999) located in Detroit, Michigan (MI), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 248 Subscriber Number From : 7770000 Subscriber Number To : 7770999 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 : AMERITECH MICHIGAN 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 : Detroit Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.4300 Longitude : -83.2500 ‹ previous : +1-248-(7760000...7769999) next › : +1-248-(7771000...7771999) Dialling Instructions For trunk calls: 0 248 7770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 248 7770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7770000 ~ 7770999 (Count: 1,000) Example: +1-248-7770000 / 0111-248-7770000 (1248-7770000 / 1-248-7770000) +1-248-7770001 / 0111-248-7770001 (1248-7770001 / 1-248-7770001) +1-248-7770002 / 0111-248-7770002 (1248-7770002 / 1-248-7770002) +1-248-7770003 / 0111-248-7770003 (1248-7770003 / 1-248-7770003) +1-248-7770004 / 0111-248-7770004 (1248-7770004 / 1-248-7770004) ...+1-248-xxxxxxx / 0111-248-xxxxxxx (1248-xxxxxxx / 1-248-xxxxxxx) ...+1-248-7770995 / 0111-248-7770995 (1248-7770995 / 1-248-7770995) +1-248-7770996 / 0111-248-7770996 (1248-7770996 / 1-248-7770996) +1-248-7770997 / 0111-248-7770997 (1248-7770997 / 1-248-7770997) +1-248-7770998 / 0111-248-7770998 (1248-7770998 / 1-248-7770998) +1-248-7770999 / 0111-248-7770999 (1248-7770999 / 1-248-7770999)