Area Code +1-203-(7428000...7428999) 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 : 7428000 Subscriber Number To : 7428999 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 : BROOKS FIBER COM-CT 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-(7427000...7427999) next › : +1-203-(7429000...7429999) Dialling Instructions For trunk calls: 0 203 7428000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7428000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7428000 ~ 7428999 (Count: 1,000) Example: +1-203-7428000 / 0111-203-7428000 (1203-7428000 / 1-203-7428000) +1-203-7428001 / 0111-203-7428001 (1203-7428001 / 1-203-7428001) +1-203-7428002 / 0111-203-7428002 (1203-7428002 / 1-203-7428002) +1-203-7428003 / 0111-203-7428003 (1203-7428003 / 1-203-7428003) +1-203-7428004 / 0111-203-7428004 (1203-7428004 / 1-203-7428004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7428995 / 0111-203-7428995 (1203-7428995 / 1-203-7428995) +1-203-7428996 / 0111-203-7428996 (1203-7428996 / 1-203-7428996) +1-203-7428997 / 0111-203-7428997 (1203-7428997 / 1-203-7428997) +1-203-7428998 / 0111-203-7428998 (1203-7428998 / 1-203-7428998) +1-203-7428999 / 0111-203-7428999 (1203-7428999 / 1-203-7428999)