Area Code +1-210-(5104000...5104999) 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 : 5104000 Subscriber Number To : 5104999 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 : CAPROCK TELECOMM-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-(5103000...5103999) next › : +1-210-(5105000...5105999) Dialling Instructions For trunk calls: 0 210 5104000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 5104000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5104000 ~ 5104999 (Count: 1,000) Example: +1-210-5104000 / 0111-210-5104000 (1210-5104000 / 1-210-5104000) +1-210-5104001 / 0111-210-5104001 (1210-5104001 / 1-210-5104001) +1-210-5104002 / 0111-210-5104002 (1210-5104002 / 1-210-5104002) +1-210-5104003 / 0111-210-5104003 (1210-5104003 / 1-210-5104003) +1-210-5104004 / 0111-210-5104004 (1210-5104004 / 1-210-5104004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-5104995 / 0111-210-5104995 (1210-5104995 / 1-210-5104995) +1-210-5104996 / 0111-210-5104996 (1210-5104996 / 1-210-5104996) +1-210-5104997 / 0111-210-5104997 (1210-5104997 / 1-210-5104997) +1-210-5104998 / 0111-210-5104998 (1210-5104998 / 1-210-5104998) +1-210-5104999 / 0111-210-5104999 (1210-5104999 / 1-210-5104999)