Area Code +1-203-(4239000...4239999) located in Wilton, 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 : 4239000 Subscriber Number To : 4239999 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 : Wilton Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.2000 Longitude : -73.4300 ‹ previous : +1-203-(4238000...4238999) next › : +1-203-(4240000...4240999) Dialling Instructions For trunk calls: 0 203 4239000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4239000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4239000 ~ 4239999 (Count: 1,000) Example: +1-203-4239000 / 0111-203-4239000 (1203-4239000 / 1-203-4239000) +1-203-4239001 / 0111-203-4239001 (1203-4239001 / 1-203-4239001) +1-203-4239002 / 0111-203-4239002 (1203-4239002 / 1-203-4239002) +1-203-4239003 / 0111-203-4239003 (1203-4239003 / 1-203-4239003) +1-203-4239004 / 0111-203-4239004 (1203-4239004 / 1-203-4239004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4239995 / 0111-203-4239995 (1203-4239995 / 1-203-4239995) +1-203-4239996 / 0111-203-4239996 (1203-4239996 / 1-203-4239996) +1-203-4239997 / 0111-203-4239997 (1203-4239997 / 1-203-4239997) +1-203-4239998 / 0111-203-4239998 (1203-4239998 / 1-203-4239998) +1-203-4239999 / 0111-203-4239999 (1203-4239999 / 1-203-4239999)