Area Code +1-281-(4390000...4399999) located in Houston, 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 : 4390000 Subscriber Number To : 4399999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : USA MOBILITY WRLS 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 Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 29.7600 Longitude : -95.3700 ‹ previous : +1-281-(4380000...4389999) next › : +1-281-(4400000...4409999) Dialling Instructions For trunk calls: 0 281 4390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 281 4390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4390000 ~ 4399999 (Count: 10,000) Example: +1-281-4390000 / 0111-281-4390000 (1281-4390000 / 1-281-4390000) +1-281-4390001 / 0111-281-4390001 (1281-4390001 / 1-281-4390001) +1-281-4390002 / 0111-281-4390002 (1281-4390002 / 1-281-4390002) +1-281-4390003 / 0111-281-4390003 (1281-4390003 / 1-281-4390003) +1-281-4390004 / 0111-281-4390004 (1281-4390004 / 1-281-4390004) ...+1-281-xxxxxxx / 0111-281-xxxxxxx (1281-xxxxxxx / 1-281-xxxxxxx) ...+1-281-4399995 / 0111-281-4399995 (1281-4399995 / 1-281-4399995) +1-281-4399996 / 0111-281-4399996 (1281-4399996 / 1-281-4399996) +1-281-4399997 / 0111-281-4399997 (1281-4399997 / 1-281-4399997) +1-281-4399998 / 0111-281-4399998 (1281-4399998 / 1-281-4399998) +1-281-4399999 / 0111-281-4399999 (1281-4399999 / 1-281-4399999)