About this number
(712) 421 is a landline based telephone number operated by Northwest Iowa Telephone, LLC and is located in zip code 51055 in the city of Sloan, Iowa, which is in Woodbury County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 712 and Network Numbering Exchange (NXX - also known as a prefix) of 421. It has an Operating Company Number (OCN) of 1260. A Common Language Location Identifier (CLLI) of SLONIAXORS0. As well as a Local access and transport area (LATA) of 630. It was first assigned for usage on 02/20/2001. Zip code 51055 has a population of 1,319 as of the 2010 census.