Area Code +1-830-(9810000...9819999) located in Balcones, Texas (TX), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 830 Subscriber Number From : 9810000 Subscriber Number To : 9819999 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 : GUADALUPE VALLEY TEL 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 : Balcones Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 29.7700 Longitude : -98.6700 ‹ previous : +1-830-(9800000...9809999) next › : +1-830-(9840000...9849999) Dialling Instructions For trunk calls: 0 830 9810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 830 9810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9810000 ~ 9819999 (Count: 10,000) Example: +1-830-9810000 / 0111-830-9810000 (1830-9810000 / 1-830-9810000) +1-830-9810001 / 0111-830-9810001 (1830-9810001 / 1-830-9810001) +1-830-9810002 / 0111-830-9810002 (1830-9810002 / 1-830-9810002) +1-830-9810003 / 0111-830-9810003 (1830-9810003 / 1-830-9810003) +1-830-9810004 / 0111-830-9810004 (1830-9810004 / 1-830-9810004) ...+1-830-xxxxxxx / 0111-830-xxxxxxx (1830-xxxxxxx / 1-830-xxxxxxx) ...+1-830-9819995 / 0111-830-9819995 (1830-9819995 / 1-830-9819995) +1-830-9819996 / 0111-830-9819996 (1830-9819996 / 1-830-9819996) +1-830-9819997 / 0111-830-9819997 (1830-9819997 / 1-830-9819997) +1-830-9819998 / 0111-830-9819998 (1830-9819998 / 1-830-9819998) +1-830-9819999 / 0111-830-9819999 (1830-9819999 / 1-830-9819999)