Area Code +1-203-(2957000...2957999) 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 : 2957000 Subscriber Number To : 2957999 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 : LEVEL 3 COMM - 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 : 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-(2956000...2956999) next › : +1-203-(2958000...2958999) Dialling Instructions For trunk calls: 0 203 2957000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2957000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2957000 ~ 2957999 (Count: 1,000) Example: +1-203-2957000 / 0111-203-2957000 (1203-2957000 / 1-203-2957000) +1-203-2957001 / 0111-203-2957001 (1203-2957001 / 1-203-2957001) +1-203-2957002 / 0111-203-2957002 (1203-2957002 / 1-203-2957002) +1-203-2957003 / 0111-203-2957003 (1203-2957003 / 1-203-2957003) +1-203-2957004 / 0111-203-2957004 (1203-2957004 / 1-203-2957004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2957995 / 0111-203-2957995 (1203-2957995 / 1-203-2957995) +1-203-2957996 / 0111-203-2957996 (1203-2957996 / 1-203-2957996) +1-203-2957997 / 0111-203-2957997 (1203-2957997 / 1-203-2957997) +1-203-2957998 / 0111-203-2957998 (1203-2957998 / 1-203-2957998) +1-203-2957999 / 0111-203-2957999 (1203-2957999 / 1-203-2957999)