Area Code +1-281-(3630000...3639999) located in Spring, Texas (TX), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 281 Subscriber Number From : 3630000 Subscriber Number To : 3639999 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 : Spring Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 30.0800 Longitude : -95.4200 ‹ previous : +1-281-(3629000...3629999) next › : +1-281-(3640000...3649999) Dialling Instructions For trunk calls: 0 281 3630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 281 3630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3630000 ~ 3639999 (Count: 10,000) Example: +1-281-3630000 / 0111-281-3630000 (1281-3630000 / 1-281-3630000) +1-281-3630001 / 0111-281-3630001 (1281-3630001 / 1-281-3630001) +1-281-3630002 / 0111-281-3630002 (1281-3630002 / 1-281-3630002) +1-281-3630003 / 0111-281-3630003 (1281-3630003 / 1-281-3630003) +1-281-3630004 / 0111-281-3630004 (1281-3630004 / 1-281-3630004) ...+1-281-xxxxxxx / 0111-281-xxxxxxx (1281-xxxxxxx / 1-281-xxxxxxx) ...+1-281-3639995 / 0111-281-3639995 (1281-3639995 / 1-281-3639995) +1-281-3639996 / 0111-281-3639996 (1281-3639996 / 1-281-3639996) +1-281-3639997 / 0111-281-3639997 (1281-3639997 / 1-281-3639997) +1-281-3639998 / 0111-281-3639998 (1281-3639998 / 1-281-3639998) +1-281-3639999 / 0111-281-3639999 (1281-3639999 / 1-281-3639999)