Area Code +1-803-(4003000...4003999) located in Columbia, South Carolina (SC), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 803 Subscriber Number From : 4003000 Subscriber Number To : 4003999 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 : YMAX COMMS CORP. SC 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 : SC Region Name : South Carolina City : Columbia Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 34.0000 Longitude : -81.0300 ‹ previous : +1-803-(4002000...4002999) next › : +1-803-(4004000...4004999) Dialling Instructions For trunk calls: 0 803 4003000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 803 4003000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4003000 ~ 4003999 (Count: 1,000) Example: +1-803-4003000 / 0111-803-4003000 (1803-4003000 / 1-803-4003000) +1-803-4003001 / 0111-803-4003001 (1803-4003001 / 1-803-4003001) +1-803-4003002 / 0111-803-4003002 (1803-4003002 / 1-803-4003002) +1-803-4003003 / 0111-803-4003003 (1803-4003003 / 1-803-4003003) +1-803-4003004 / 0111-803-4003004 (1803-4003004 / 1-803-4003004) ...+1-803-xxxxxxx / 0111-803-xxxxxxx (1803-xxxxxxx / 1-803-xxxxxxx) ...+1-803-4003995 / 0111-803-4003995 (1803-4003995 / 1-803-4003995) +1-803-4003996 / 0111-803-4003996 (1803-4003996 / 1-803-4003996) +1-803-4003997 / 0111-803-4003997 (1803-4003997 / 1-803-4003997) +1-803-4003998 / 0111-803-4003998 (1803-4003998 / 1-803-4003998) +1-803-4003999 / 0111-803-4003999 (1803-4003999 / 1-803-4003999)