Area Code +1-203-(7220000...7229999) located in Norwalk, 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 : 7220000 Subscriber Number To : 7229999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS DC 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 : Norwalk Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.1100 Longitude : -73.4100 ‹ previous : +1-203-(7219000...7219999) next › : +1-203-(7230000...7230999) Dialling Instructions For trunk calls: 0 203 7220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7220000 ~ 7229999 (Count: 10,000) Example: +1-203-7220000 / 0111-203-7220000 (1203-7220000 / 1-203-7220000) +1-203-7220001 / 0111-203-7220001 (1203-7220001 / 1-203-7220001) +1-203-7220002 / 0111-203-7220002 (1203-7220002 / 1-203-7220002) +1-203-7220003 / 0111-203-7220003 (1203-7220003 / 1-203-7220003) +1-203-7220004 / 0111-203-7220004 (1203-7220004 / 1-203-7220004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7229995 / 0111-203-7229995 (1203-7229995 / 1-203-7229995) +1-203-7229996 / 0111-203-7229996 (1203-7229996 / 1-203-7229996) +1-203-7229997 / 0111-203-7229997 (1203-7229997 / 1-203-7229997) +1-203-7229998 / 0111-203-7229998 (1203-7229998 / 1-203-7229998) +1-203-7229999 / 0111-203-7229999 (1203-7229999 / 1-203-7229999)