Area Code +1-210-(2170000...2179999) 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 : 2170000 Subscriber Number To : 2179999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : AMERICAN MESSAGING 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-(2169000...2169999) next › : +1-210-(2180000...2189999) Dialling Instructions For trunk calls: 0 210 2170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 2170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2170000 ~ 2179999 (Count: 10,000) Example: +1-210-2170000 / 0111-210-2170000 (1210-2170000 / 1-210-2170000) +1-210-2170001 / 0111-210-2170001 (1210-2170001 / 1-210-2170001) +1-210-2170002 / 0111-210-2170002 (1210-2170002 / 1-210-2170002) +1-210-2170003 / 0111-210-2170003 (1210-2170003 / 1-210-2170003) +1-210-2170004 / 0111-210-2170004 (1210-2170004 / 1-210-2170004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-2179995 / 0111-210-2179995 (1210-2179995 / 1-210-2179995) +1-210-2179996 / 0111-210-2179996 (1210-2179996 / 1-210-2179996) +1-210-2179997 / 0111-210-2179997 (1210-2179997 / 1-210-2179997) +1-210-2179998 / 0111-210-2179998 (1210-2179998 / 1-210-2179998) +1-210-2179999 / 0111-210-2179999 (1210-2179999 / 1-210-2179999)