Area Code +1-210-(2230000...2239999) 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 : 2230000 Subscriber Number To : 2239999 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 : SOUTHWESTERN BELL 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-(2220000...2229999) next › : +1-210-(2240000...2249999) Dialling Instructions For trunk calls: 0 210 2230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 2230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2230000 ~ 2239999 (Count: 10,000) Example: +1-210-2230000 / 0111-210-2230000 (1210-2230000 / 1-210-2230000) +1-210-2230001 / 0111-210-2230001 (1210-2230001 / 1-210-2230001) +1-210-2230002 / 0111-210-2230002 (1210-2230002 / 1-210-2230002) +1-210-2230003 / 0111-210-2230003 (1210-2230003 / 1-210-2230003) +1-210-2230004 / 0111-210-2230004 (1210-2230004 / 1-210-2230004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-2239995 / 0111-210-2239995 (1210-2239995 / 1-210-2239995) +1-210-2239996 / 0111-210-2239996 (1210-2239996 / 1-210-2239996) +1-210-2239997 / 0111-210-2239997 (1210-2239997 / 1-210-2239997) +1-210-2239998 / 0111-210-2239998 (1210-2239998 / 1-210-2239998) +1-210-2239999 / 0111-210-2239999 (1210-2239999 / 1-210-2239999)