Area Code +1-210-(3992000...3992999) located in San Antonio, Texas (TX), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 210 Subscriber Number From : 3992000 Subscriber Number To : 3992999 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 - TX 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 : TX Region Name : Texas City : San Antonio Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 29.4300 Longitude : -98.4800 ‹ previous : +1-210-(3991000...3991999) next › : +1-210-(3993000...3993999) Dialling Instructions For trunk calls: 0 210 3992000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 3992000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3992000 ~ 3992999 (Count: 1,000) Example: +1-210-3992000 / 0111-210-3992000 (1210-3992000 / 1-210-3992000) +1-210-3992001 / 0111-210-3992001 (1210-3992001 / 1-210-3992001) +1-210-3992002 / 0111-210-3992002 (1210-3992002 / 1-210-3992002) +1-210-3992003 / 0111-210-3992003 (1210-3992003 / 1-210-3992003) +1-210-3992004 / 0111-210-3992004 (1210-3992004 / 1-210-3992004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-3992995 / 0111-210-3992995 (1210-3992995 / 1-210-3992995) +1-210-3992996 / 0111-210-3992996 (1210-3992996 / 1-210-3992996) +1-210-3992997 / 0111-210-3992997 (1210-3992997 / 1-210-3992997) +1-210-3992998 / 0111-210-3992998 (1210-3992998 / 1-210-3992998) +1-210-3992999 / 0111-210-3992999 (1210-3992999 / 1-210-3992999)