About this number
(319) 439-0040 is a landline based telephone number operated by Keystone Farms Cooperative Tel and is located in zip code 52249 in the city of Keystone, Iowa, which is in Benton County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 319, a Network Numbering Exchange (NXX - also known as a prefix) of 439 and a subscriber number of 0040. It has an Operating Company Number (OCN) of 1217. A Common Language Location Identifier (CLLI) of KYSTIAXODS0. As well as a Local access and transport area (LATA) of 635. Zip code 52249 has a population of 965 as of the 2010 census.