Area Code +1-203-(7178000...7178999) 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 : 7178000 Subscriber Number To : 7178999 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 : YMAX COMMS CORP. 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-(7176000...7176999) next › : +1-203-(7179000...7179999) Dialling Instructions For trunk calls: 0 203 7178000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7178000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7178000 ~ 7178999 (Count: 1,000) Example: +1-203-7178000 / 0111-203-7178000 (1203-7178000 / 1-203-7178000) +1-203-7178001 / 0111-203-7178001 (1203-7178001 / 1-203-7178001) +1-203-7178002 / 0111-203-7178002 (1203-7178002 / 1-203-7178002) +1-203-7178003 / 0111-203-7178003 (1203-7178003 / 1-203-7178003) +1-203-7178004 / 0111-203-7178004 (1203-7178004 / 1-203-7178004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7178995 / 0111-203-7178995 (1203-7178995 / 1-203-7178995) +1-203-7178996 / 0111-203-7178996 (1203-7178996 / 1-203-7178996) +1-203-7178997 / 0111-203-7178997 (1203-7178997 / 1-203-7178997) +1-203-7178998 / 0111-203-7178998 (1203-7178998 / 1-203-7178998) +1-203-7178999 / 0111-203-7178999 (1203-7178999 / 1-203-7178999)