Area Code +1-806-(6409000...6409999) located in Amarillo, 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 : 6409000 Subscriber Number To : 6409999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : T-MOBILE USA 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 : Amarillo Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 35.2200 Longitude : -101.8300 ‹ previous : +1-806-(6179000...6179999) next › : +1-806-(6527000...6527999) Dialling Instructions For trunk calls: 0 806 6409000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 806 6409000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6409000 ~ 6409999 (Count: 1,000) Example: +1-806-6409000 / 0111-806-6409000 (1806-6409000 / 1-806-6409000) +1-806-6409001 / 0111-806-6409001 (1806-6409001 / 1-806-6409001) +1-806-6409002 / 0111-806-6409002 (1806-6409002 / 1-806-6409002) +1-806-6409003 / 0111-806-6409003 (1806-6409003 / 1-806-6409003) +1-806-6409004 / 0111-806-6409004 (1806-6409004 / 1-806-6409004) ...+1-806-xxxxxxx / 0111-806-xxxxxxx (1806-xxxxxxx / 1-806-xxxxxxx) ...+1-806-6409995 / 0111-806-6409995 (1806-6409995 / 1-806-6409995) +1-806-6409996 / 0111-806-6409996 (1806-6409996 / 1-806-6409996) +1-806-6409997 / 0111-806-6409997 (1806-6409997 / 1-806-6409997) +1-806-6409998 / 0111-806-6409998 (1806-6409998 / 1-806-6409998) +1-806-6409999 / 0111-806-6409999 (1806-6409999 / 1-806-6409999)