Area Code +1-203-(7388000...7388999) located in Guilford, 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 : 7388000 Subscriber Number To : 7388999 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 : Guilford Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.2900 Longitude : -72.6800 ‹ previous : +1-203-(7386000...7386999) next › : +1-203-(7389000...7389999) Dialling Instructions For trunk calls: 0 203 7388000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7388000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7388000 ~ 7388999 (Count: 1,000) Example: +1-203-7388000 / 0111-203-7388000 (1203-7388000 / 1-203-7388000) +1-203-7388001 / 0111-203-7388001 (1203-7388001 / 1-203-7388001) +1-203-7388002 / 0111-203-7388002 (1203-7388002 / 1-203-7388002) +1-203-7388003 / 0111-203-7388003 (1203-7388003 / 1-203-7388003) +1-203-7388004 / 0111-203-7388004 (1203-7388004 / 1-203-7388004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7388995 / 0111-203-7388995 (1203-7388995 / 1-203-7388995) +1-203-7388996 / 0111-203-7388996 (1203-7388996 / 1-203-7388996) +1-203-7388997 / 0111-203-7388997 (1203-7388997 / 1-203-7388997) +1-203-7388998 / 0111-203-7388998 (1203-7388998 / 1-203-7388998) +1-203-7388999 / 0111-203-7388999 (1203-7388999 / 1-203-7388999)