Area Code +1-203-(3121000...3121999) 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 : 3121000 Subscriber Number To : 3121999 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 : CTC COMMS CORP. - 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-(3120000...3120999) next › : +1-203-(3122000...3122999) Dialling Instructions For trunk calls: 0 203 3121000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3121000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3121000 ~ 3121999 (Count: 1,000) Example: +1-203-3121000 / 0111-203-3121000 (1203-3121000 / 1-203-3121000) +1-203-3121001 / 0111-203-3121001 (1203-3121001 / 1-203-3121001) +1-203-3121002 / 0111-203-3121002 (1203-3121002 / 1-203-3121002) +1-203-3121003 / 0111-203-3121003 (1203-3121003 / 1-203-3121003) +1-203-3121004 / 0111-203-3121004 (1203-3121004 / 1-203-3121004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3121995 / 0111-203-3121995 (1203-3121995 / 1-203-3121995) +1-203-3121996 / 0111-203-3121996 (1203-3121996 / 1-203-3121996) +1-203-3121997 / 0111-203-3121997 (1203-3121997 / 1-203-3121997) +1-203-3121998 / 0111-203-3121998 (1203-3121998 / 1-203-3121998) +1-203-3121999 / 0111-203-3121999 (1203-3121999 / 1-203-3121999)
