Area Code +1-210-(8018000...8018999) 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 : 8018000 Subscriber Number To : 8018999 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 : TW TELECOM OF TEXAS 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-(8017000...8017999) next › : +1-210-(8019000...8019999) Dialling Instructions For trunk calls: 0 210 8018000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 8018000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8018000 ~ 8018999 (Count: 1,000) Example: +1-210-8018000 / 0111-210-8018000 (1210-8018000 / 1-210-8018000) +1-210-8018001 / 0111-210-8018001 (1210-8018001 / 1-210-8018001) +1-210-8018002 / 0111-210-8018002 (1210-8018002 / 1-210-8018002) +1-210-8018003 / 0111-210-8018003 (1210-8018003 / 1-210-8018003) +1-210-8018004 / 0111-210-8018004 (1210-8018004 / 1-210-8018004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-8018995 / 0111-210-8018995 (1210-8018995 / 1-210-8018995) +1-210-8018996 / 0111-210-8018996 (1210-8018996 / 1-210-8018996) +1-210-8018997 / 0111-210-8018997 (1210-8018997 / 1-210-8018997) +1-210-8018998 / 0111-210-8018998 (1210-8018998 / 1-210-8018998) +1-210-8018999 / 0111-210-8018999 (1210-8018999 / 1-210-8018999)