Area Code +1-203-(3028000...3028999) located in Greenwich, Connecticut (CT), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 203 Subscriber Number From : 3028000 Subscriber Number To : 3028999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : SPRINT SPECTRUM LP 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 : CT Region Name : Connecticut City : Greenwich Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.0400 Longitude : -73.6100 ‹ previous : +1-203-(3027000...3027999) next › : +1-203-(3029000...3029999) Dialling Instructions For trunk calls: 0 203 3028000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3028000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3028000 ~ 3028999 (Count: 1,000) Example: +1-203-3028000 / 0111-203-3028000 (1203-3028000 / 1-203-3028000) +1-203-3028001 / 0111-203-3028001 (1203-3028001 / 1-203-3028001) +1-203-3028002 / 0111-203-3028002 (1203-3028002 / 1-203-3028002) +1-203-3028003 / 0111-203-3028003 (1203-3028003 / 1-203-3028003) +1-203-3028004 / 0111-203-3028004 (1203-3028004 / 1-203-3028004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3028995 / 0111-203-3028995 (1203-3028995 / 1-203-3028995) +1-203-3028996 / 0111-203-3028996 (1203-3028996 / 1-203-3028996) +1-203-3028997 / 0111-203-3028997 (1203-3028997 / 1-203-3028997) +1-203-3028998 / 0111-203-3028998 (1203-3028998 / 1-203-3028998) +1-203-3028999 / 0111-203-3028999 (1203-3028999 / 1-203-3028999)