Area Code +1-203-(2051000...2051999) located in Danbury, 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 : 2051000 Subscriber Number To : 2051999 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 : FRONTIER 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 : Danbury Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4000 Longitude : -73.4500 ‹ previous : +1-203-(2050000...2050999) next › : +1-203-(2052000...2052999) Dialling Instructions For trunk calls: 0 203 2051000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2051000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2051000 ~ 2051999 (Count: 1,000) Example: +1-203-2051000 / 0111-203-2051000 (1203-2051000 / 1-203-2051000) +1-203-2051001 / 0111-203-2051001 (1203-2051001 / 1-203-2051001) +1-203-2051002 / 0111-203-2051002 (1203-2051002 / 1-203-2051002) +1-203-2051003 / 0111-203-2051003 (1203-2051003 / 1-203-2051003) +1-203-2051004 / 0111-203-2051004 (1203-2051004 / 1-203-2051004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2051995 / 0111-203-2051995 (1203-2051995 / 1-203-2051995) +1-203-2051996 / 0111-203-2051996 (1203-2051996 / 1-203-2051996) +1-203-2051997 / 0111-203-2051997 (1203-2051997 / 1-203-2051997) +1-203-2051998 / 0111-203-2051998 (1203-2051998 / 1-203-2051998) +1-203-2051999 / 0111-203-2051999 (1203-2051999 / 1-203-2051999)