Area Code +1-203-(7939000...7939999) located in Wallingford, 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 : 7939000 Subscriber Number To : 7939999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : LEVEL 3 COMM - CT 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 : Wallingford Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4600 Longitude : -72.8200 ‹ previous : +1-203-(7938000...7938999) next › : +1-203-(7940000...7940999) Dialling Instructions For trunk calls: 0 203 7939000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7939000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7939000 ~ 7939999 (Count: 1,000) Example: +1-203-7939000 / 0111-203-7939000 (1203-7939000 / 1-203-7939000) +1-203-7939001 / 0111-203-7939001 (1203-7939001 / 1-203-7939001) +1-203-7939002 / 0111-203-7939002 (1203-7939002 / 1-203-7939002) +1-203-7939003 / 0111-203-7939003 (1203-7939003 / 1-203-7939003) +1-203-7939004 / 0111-203-7939004 (1203-7939004 / 1-203-7939004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7939995 / 0111-203-7939995 (1203-7939995 / 1-203-7939995) +1-203-7939996 / 0111-203-7939996 (1203-7939996 / 1-203-7939996) +1-203-7939997 / 0111-203-7939997 (1203-7939997 / 1-203-7939997) +1-203-7939998 / 0111-203-7939998 (1203-7939998 / 1-203-7939998) +1-203-7939999 / 0111-203-7939999 (1203-7939999 / 1-203-7939999)