Area Code +1-203-(7880000...7889999) 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 : 7880000 Subscriber Number To : 7889999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS DC 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-(7879000...7879999) next › : +1-203-(7890000...7899999) Dialling Instructions For trunk calls: 0 203 7880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7880000 ~ 7889999 (Count: 10,000) Example: +1-203-7880000 / 0111-203-7880000 (1203-7880000 / 1-203-7880000) +1-203-7880001 / 0111-203-7880001 (1203-7880001 / 1-203-7880001) +1-203-7880002 / 0111-203-7880002 (1203-7880002 / 1-203-7880002) +1-203-7880003 / 0111-203-7880003 (1203-7880003 / 1-203-7880003) +1-203-7880004 / 0111-203-7880004 (1203-7880004 / 1-203-7880004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7889995 / 0111-203-7889995 (1203-7889995 / 1-203-7889995) +1-203-7889996 / 0111-203-7889996 (1203-7889996 / 1-203-7889996) +1-203-7889997 / 0111-203-7889997 (1203-7889997 / 1-203-7889997) +1-203-7889998 / 0111-203-7889998 (1203-7889998 / 1-203-7889998) +1-203-7889999 / 0111-203-7889999 (1203-7889999 / 1-203-7889999)