Area Codes
| 806 | Texas (Amarillo, Lubbock, Canadian, Perryton, Shamrock, Dalhart and Texas Panhandle) | More information at: Area Code 806 Phone Number Blocks
| 806 | Texas (Amarillo, Lubbock, Canadian, Perryton, Shamrock, Dalhart and Texas Panhandle) | More information at: Area Code 806 Phone Number Blocks