Area Code +1-203-(6310000...6319999) located in Meriden, 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 : 6310000 Subscriber Number To : 6319999 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 : Meriden Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5400 Longitude : -72.8100 ‹ previous : +1-203-(6300000...6309999) next › : +1-203-(6320000...6320999) Dialling Instructions For trunk calls: 0 203 6310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 6310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6310000 ~ 6319999 (Count: 10,000) Example: +1-203-6310000 / 0111-203-6310000 (1203-6310000 / 1-203-6310000) +1-203-6310001 / 0111-203-6310001 (1203-6310001 / 1-203-6310001) +1-203-6310002 / 0111-203-6310002 (1203-6310002 / 1-203-6310002) +1-203-6310003 / 0111-203-6310003 (1203-6310003 / 1-203-6310003) +1-203-6310004 / 0111-203-6310004 (1203-6310004 / 1-203-6310004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-6319995 / 0111-203-6319995 (1203-6319995 / 1-203-6319995) +1-203-6319996 / 0111-203-6319996 (1203-6319996 / 1-203-6319996) +1-203-6319997 / 0111-203-6319997 (1203-6319997 / 1-203-6319997) +1-203-6319998 / 0111-203-6319998 (1203-6319998 / 1-203-6319998) +1-203-6319999 / 0111-203-6319999 (1203-6319999 / 1-203-6319999)