About this number
(580) 255-0037 is a landline based telephone number operated by Southwestern Bell and is located in zip code 73533 in the city of Duncan, Oklahoma, which is in Stephens County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 580, a Network Numbering Exchange (NXX - also known as a prefix) of 255 and a subscriber number of 0037. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of DNCNOKMADS0. As well as a Local access and transport area (LATA) of 536. Zip code 73533 has a population of 28,434 as of the 2010 census.