Area Code +1-210-(7121000...7121999) 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 : 7121000 Subscriber Number To : 7121999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : 365 WIRELESS LLC 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-(7120000...7120999) next › : +1-210-(7122000...7122999) Dialling Instructions For trunk calls: 0 210 7121000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 7121000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7121000 ~ 7121999 (Count: 1,000) Example: +1-210-7121000 / 0111-210-7121000 (1210-7121000 / 1-210-7121000) +1-210-7121001 / 0111-210-7121001 (1210-7121001 / 1-210-7121001) +1-210-7121002 / 0111-210-7121002 (1210-7121002 / 1-210-7121002) +1-210-7121003 / 0111-210-7121003 (1210-7121003 / 1-210-7121003) +1-210-7121004 / 0111-210-7121004 (1210-7121004 / 1-210-7121004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-7121995 / 0111-210-7121995 (1210-7121995 / 1-210-7121995) +1-210-7121996 / 0111-210-7121996 (1210-7121996 / 1-210-7121996) +1-210-7121997 / 0111-210-7121997 (1210-7121997 / 1-210-7121997) +1-210-7121998 / 0111-210-7121998 (1210-7121998 / 1-210-7121998) +1-210-7121999 / 0111-210-7121999 (1210-7121999 / 1-210-7121999)