Area Code +1-903-(8430000...8439999) located in Gilmer, Texas (TX), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 903 Subscriber Number From : 8430000 Subscriber Number To : 8439999 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 : VERIZON SW INC. 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 : Gilmer Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 32.7300 Longitude : -94.9400 ‹ previous : +1-903-(8420000...8429999) next › : +1-903-(8440000...8440999) Dialling Instructions For trunk calls: 0 903 8430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 903 8430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8430000 ~ 8439999 (Count: 10,000) Example: +1-903-8430000 / 0111-903-8430000 (1903-8430000 / 1-903-8430000) +1-903-8430001 / 0111-903-8430001 (1903-8430001 / 1-903-8430001) +1-903-8430002 / 0111-903-8430002 (1903-8430002 / 1-903-8430002) +1-903-8430003 / 0111-903-8430003 (1903-8430003 / 1-903-8430003) +1-903-8430004 / 0111-903-8430004 (1903-8430004 / 1-903-8430004) ...+1-903-xxxxxxx / 0111-903-xxxxxxx (1903-xxxxxxx / 1-903-xxxxxxx) ...+1-903-8439995 / 0111-903-8439995 (1903-8439995 / 1-903-8439995) +1-903-8439996 / 0111-903-8439996 (1903-8439996 / 1-903-8439996) +1-903-8439997 / 0111-903-8439997 (1903-8439997 / 1-903-8439997) +1-903-8439998 / 0111-903-8439998 (1903-8439998 / 1-903-8439998) +1-903-8439999 / 0111-903-8439999 (1903-8439999 / 1-903-8439999)