Area Code +1-281-(5721000...5721999) located in Porter Heights, 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 : 5721000 Subscriber Number To : 5721999 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 : CENTURYLINK 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 : Porter Heights Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 30.1500 Longitude : -95.3200 ‹ previous : +1-281-(5720000...5720999) next › : +1-281-(5722000...5722999) Dialling Instructions For trunk calls: 0 281 5721000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 281 5721000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5721000 ~ 5721999 (Count: 1,000) Example: +1-281-5721000 / 0111-281-5721000 (1281-5721000 / 1-281-5721000) +1-281-5721001 / 0111-281-5721001 (1281-5721001 / 1-281-5721001) +1-281-5721002 / 0111-281-5721002 (1281-5721002 / 1-281-5721002) +1-281-5721003 / 0111-281-5721003 (1281-5721003 / 1-281-5721003) +1-281-5721004 / 0111-281-5721004 (1281-5721004 / 1-281-5721004) ...+1-281-xxxxxxx / 0111-281-xxxxxxx (1281-xxxxxxx / 1-281-xxxxxxx) ...+1-281-5721995 / 0111-281-5721995 (1281-5721995 / 1-281-5721995) +1-281-5721996 / 0111-281-5721996 (1281-5721996 / 1-281-5721996) +1-281-5721997 / 0111-281-5721997 (1281-5721997 / 1-281-5721997) +1-281-5721998 / 0111-281-5721998 (1281-5721998 / 1-281-5721998) +1-281-5721999 / 0111-281-5721999 (1281-5721999 / 1-281-5721999)