About this number
(806) 421 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in the city of Dumas, Texas and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 806 and Network Numbering Exchange (NXX - also known as a prefix) of 421. It has an Operating Company Number (OCN) of 6114. A Common Language Location Identifier (CLLI) of AMRLTXDRSMD. As well as a Local access and transport area (LATA) of 546. It was first assigned for usage on 11/13/2007.