Area Code +1-210-(4478000...4478999) 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 : 4478000 Subscriber Number To : 4478999 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 : ICG CHOICE - 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-(4477000...4477999) next › : +1-210-(4479000...4479999) Dialling Instructions For trunk calls: 0 210 4478000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 210 4478000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4478000 ~ 4478999 (Count: 1,000) Example: +1-210-4478000 / 0111-210-4478000 (1210-4478000 / 1-210-4478000) +1-210-4478001 / 0111-210-4478001 (1210-4478001 / 1-210-4478001) +1-210-4478002 / 0111-210-4478002 (1210-4478002 / 1-210-4478002) +1-210-4478003 / 0111-210-4478003 (1210-4478003 / 1-210-4478003) +1-210-4478004 / 0111-210-4478004 (1210-4478004 / 1-210-4478004) ...+1-210-xxxxxxx / 0111-210-xxxxxxx (1210-xxxxxxx / 1-210-xxxxxxx) ...+1-210-4478995 / 0111-210-4478995 (1210-4478995 / 1-210-4478995) +1-210-4478996 / 0111-210-4478996 (1210-4478996 / 1-210-4478996) +1-210-4478997 / 0111-210-4478997 (1210-4478997 / 1-210-4478997) +1-210-4478998 / 0111-210-4478998 (1210-4478998 / 1-210-4478998) +1-210-4478999 / 0111-210-4478999 (1210-4478999 / 1-210-4478999)