Area Code +1-203-(7637000...7637999) located in Fairfield, 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 : 7637000 Subscriber Number To : 7637999 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 : Fairfield Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.1400 Longitude : -73.2600 ‹ previous : +1-203-(7636000...7636999) next › : +1-203-(7638000...7638999) Dialling Instructions For trunk calls: 0 203 7637000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7637000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7637000 ~ 7637999 (Count: 1,000) Example: +1-203-7637000 / 0111-203-7637000 (1203-7637000 / 1-203-7637000) +1-203-7637001 / 0111-203-7637001 (1203-7637001 / 1-203-7637001) +1-203-7637002 / 0111-203-7637002 (1203-7637002 / 1-203-7637002) +1-203-7637003 / 0111-203-7637003 (1203-7637003 / 1-203-7637003) +1-203-7637004 / 0111-203-7637004 (1203-7637004 / 1-203-7637004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7637995 / 0111-203-7637995 (1203-7637995 / 1-203-7637995) +1-203-7637996 / 0111-203-7637996 (1203-7637996 / 1-203-7637996) +1-203-7637997 / 0111-203-7637997 (1203-7637997 / 1-203-7637997) +1-203-7637998 / 0111-203-7637998 (1203-7637998 / 1-203-7637998) +1-203-7637999 / 0111-203-7637999 (1203-7637999 / 1-203-7637999)