Area Code +1-806-(8440000...8440999) located in Dalhart, Texas (TX), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 806 Subscriber Number From : 8440000 Subscriber Number To : 8440999 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 : XIT TEL & TECH INC 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 : Dalhart Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 36.0600 Longitude : -102.5100 ‹ previous : +1-806-(8420000...8429999) next › : +1-806-(8441000...8441999) Dialling Instructions For trunk calls: 0 806 8440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 806 8440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8440000 ~ 8440999 (Count: 1,000) Example: +1-806-8440000 / 0111-806-8440000 (1806-8440000 / 1-806-8440000) +1-806-8440001 / 0111-806-8440001 (1806-8440001 / 1-806-8440001) +1-806-8440002 / 0111-806-8440002 (1806-8440002 / 1-806-8440002) +1-806-8440003 / 0111-806-8440003 (1806-8440003 / 1-806-8440003) +1-806-8440004 / 0111-806-8440004 (1806-8440004 / 1-806-8440004) ...+1-806-xxxxxxx / 0111-806-xxxxxxx (1806-xxxxxxx / 1-806-xxxxxxx) ...+1-806-8440995 / 0111-806-8440995 (1806-8440995 / 1-806-8440995) +1-806-8440996 / 0111-806-8440996 (1806-8440996 / 1-806-8440996) +1-806-8440997 / 0111-806-8440997 (1806-8440997 / 1-806-8440997) +1-806-8440998 / 0111-806-8440998 (1806-8440998 / 1-806-8440998) +1-806-8440999 / 0111-806-8440999 (1806-8440999 / 1-806-8440999)