Area Code +1-281-(3680000...3689999) located in Houston Suburban, 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 : 3680000 Subscriber Number To : 3689999 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 : Houston Suburban Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 29.7500 Longitude : -95.3700 ‹ previous : +1-281-(3670000...3679999) next › : +1-281-(3690000...3690999) Dialling Instructions For trunk calls: 0 281 3680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 281 3680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3680000 ~ 3689999 (Count: 10,000) Example: +1-281-3680000 / 0111-281-3680000 (1281-3680000 / 1-281-3680000) +1-281-3680001 / 0111-281-3680001 (1281-3680001 / 1-281-3680001) +1-281-3680002 / 0111-281-3680002 (1281-3680002 / 1-281-3680002) +1-281-3680003 / 0111-281-3680003 (1281-3680003 / 1-281-3680003) +1-281-3680004 / 0111-281-3680004 (1281-3680004 / 1-281-3680004) ...+1-281-xxxxxxx / 0111-281-xxxxxxx (1281-xxxxxxx / 1-281-xxxxxxx) ...+1-281-3689995 / 0111-281-3689995 (1281-3689995 / 1-281-3689995) +1-281-3689996 / 0111-281-3689996 (1281-3689996 / 1-281-3689996) +1-281-3689997 / 0111-281-3689997 (1281-3689997 / 1-281-3689997) +1-281-3689998 / 0111-281-3689998 (1281-3689998 / 1-281-3689998) +1-281-3689999 / 0111-281-3689999 (1281-3689999 / 1-281-3689999)