About this number
(435) 251 is a landline based telephone number operated by Qwest Corporation and is located in zip code 84780 in the city of Washington, Utah, which is in Washington County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 435 and Network Numbering Exchange (NXX - also known as a prefix) of 251. It has an Operating Company Number (OCN) of 9636. A Common Language Location Identifier (CLLI) of WASHUTMADS0. As well as a Local access and transport area (LATA) of 660. It was first assigned for usage on 04/24/2003. Zip code 84780 has a population of 18,756 as of the 2010 census.