Area Code +1-203-(7399000...7399999) 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 : 7399000 Subscriber Number To : 7399999 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 : 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-(7398000...7398999) next › : +1-203-(7400000...7409999) Dialling Instructions For trunk calls: 0 203 7399000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7399000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7399000 ~ 7399999 (Count: 1,000) Example: +1-203-7399000 / 0111-203-7399000 (1203-7399000 / 1-203-7399000) +1-203-7399001 / 0111-203-7399001 (1203-7399001 / 1-203-7399001) +1-203-7399002 / 0111-203-7399002 (1203-7399002 / 1-203-7399002) +1-203-7399003 / 0111-203-7399003 (1203-7399003 / 1-203-7399003) +1-203-7399004 / 0111-203-7399004 (1203-7399004 / 1-203-7399004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7399995 / 0111-203-7399995 (1203-7399995 / 1-203-7399995) +1-203-7399996 / 0111-203-7399996 (1203-7399996 / 1-203-7399996) +1-203-7399997 / 0111-203-7399997 (1203-7399997 / 1-203-7399997) +1-203-7399998 / 0111-203-7399998 (1203-7399998 / 1-203-7399998) +1-203-7399999 / 0111-203-7399999 (1203-7399999 / 1-203-7399999)