Area Code +1-203-(3001000...3001999) 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 : 3001000 Subscriber Number To : 3001999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : OMNIPOINT 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-(3000000...3000999) next › : +1-203-(3002000...3002999) Dialling Instructions For trunk calls: 0 203 3001000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3001000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3001000 ~ 3001999 (Count: 1,000) Example: +1-203-3001000 / 0111-203-3001000 (1203-3001000 / 1-203-3001000) +1-203-3001001 / 0111-203-3001001 (1203-3001001 / 1-203-3001001) +1-203-3001002 / 0111-203-3001002 (1203-3001002 / 1-203-3001002) +1-203-3001003 / 0111-203-3001003 (1203-3001003 / 1-203-3001003) +1-203-3001004 / 0111-203-3001004 (1203-3001004 / 1-203-3001004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3001995 / 0111-203-3001995 (1203-3001995 / 1-203-3001995) +1-203-3001996 / 0111-203-3001996 (1203-3001996 / 1-203-3001996) +1-203-3001997 / 0111-203-3001997 (1203-3001997 / 1-203-3001997) +1-203-3001998 / 0111-203-3001998 (1203-3001998 / 1-203-3001998) +1-203-3001999 / 0111-203-3001999 (1203-3001999 / 1-203-3001999)