Area Code +1-517-(2660000...2669999) located in Adrian, Michigan (MI), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 517 Subscriber Number From : 2660000 Subscriber Number To : 2669999 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 : FRONTIER NORTH - 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 : Adrian Timezone : America/Detroit Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.9000 Longitude : -84.0400 ‹ previous : +1-517-(2650000...2659999) next › : +1-517-(2670000...2679999) Dialling Instructions For trunk calls: 0 517 2660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 517 2660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2660000 ~ 2669999 (Count: 10,000) Example: +1-517-2660000 / 0111-517-2660000 (1517-2660000 / 1-517-2660000) +1-517-2660001 / 0111-517-2660001 (1517-2660001 / 1-517-2660001) +1-517-2660002 / 0111-517-2660002 (1517-2660002 / 1-517-2660002) +1-517-2660003 / 0111-517-2660003 (1517-2660003 / 1-517-2660003) +1-517-2660004 / 0111-517-2660004 (1517-2660004 / 1-517-2660004) ...+1-517-xxxxxxx / 0111-517-xxxxxxx (1517-xxxxxxx / 1-517-xxxxxxx) ...+1-517-2669995 / 0111-517-2669995 (1517-2669995 / 1-517-2669995) +1-517-2669996 / 0111-517-2669996 (1517-2669996 / 1-517-2669996) +1-517-2669997 / 0111-517-2669997 (1517-2669997 / 1-517-2669997) +1-517-2669998 / 0111-517-2669998 (1517-2669998 / 1-517-2669998) +1-517-2669999 / 0111-517-2669999 (1517-2669999 / 1-517-2669999)