Area Code +1-203-(4181000...4181999) 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 : 4181000 Subscriber Number To : 4181999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : SPRINT SPECTRUM LP 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-(4180000...4180999) next › : +1-203-(4182000...4182999) Dialling Instructions For trunk calls: 0 203 4181000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4181000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4181000 ~ 4181999 (Count: 1,000) Example: +1-203-4181000 / 0111-203-4181000 (1203-4181000 / 1-203-4181000) +1-203-4181001 / 0111-203-4181001 (1203-4181001 / 1-203-4181001) +1-203-4181002 / 0111-203-4181002 (1203-4181002 / 1-203-4181002) +1-203-4181003 / 0111-203-4181003 (1203-4181003 / 1-203-4181003) +1-203-4181004 / 0111-203-4181004 (1203-4181004 / 1-203-4181004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4181995 / 0111-203-4181995 (1203-4181995 / 1-203-4181995) +1-203-4181996 / 0111-203-4181996 (1203-4181996 / 1-203-4181996) +1-203-4181997 / 0111-203-4181997 (1203-4181997 / 1-203-4181997) +1-203-4181998 / 0111-203-4181998 (1203-4181998 / 1-203-4181998) +1-203-4181999 / 0111-203-4181999 (1203-4181999 / 1-203-4181999)