Area Code +1-203-(6700000...6709999) located in Waterbury, 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 : 6700000 Subscriber Number To : 6709999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : AMERICAN MESSAGING 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 : Waterbury Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5600 Longitude : -73.0500 ‹ previous : +1-203-(6699000...6699999) next › : +1-203-(6710000...6719999) Dialling Instructions For trunk calls: 0 203 6700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 6700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6700000 ~ 6709999 (Count: 10,000) Example: +1-203-6700000 / 0111-203-6700000 (1203-6700000 / 1-203-6700000) +1-203-6700001 / 0111-203-6700001 (1203-6700001 / 1-203-6700001) +1-203-6700002 / 0111-203-6700002 (1203-6700002 / 1-203-6700002) +1-203-6700003 / 0111-203-6700003 (1203-6700003 / 1-203-6700003) +1-203-6700004 / 0111-203-6700004 (1203-6700004 / 1-203-6700004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-6709995 / 0111-203-6709995 (1203-6709995 / 1-203-6709995) +1-203-6709996 / 0111-203-6709996 (1203-6709996 / 1-203-6709996) +1-203-6709997 / 0111-203-6709997 (1203-6709997 / 1-203-6709997) +1-203-6709998 / 0111-203-6709998 (1203-6709998 / 1-203-6709998) +1-203-6709999 / 0111-203-6709999 (1203-6709999 / 1-203-6709999)