About this number
(712) 607 is a landline based telephone number operated by Walnut Telephone Company and is located in zip code 51537 in the city of Harlan, Iowa, which is in Shelby 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 607. It has an Operating Company Number (OCN) of 442B. A Common Language Location Identifier (CLLI) of HRLNIAXRDC0. As well as a Local access and transport area (LATA) of 644. It was first assigned for usage on 06/03/2004. Zip code 51537 has a population of 6,703 as of the 2010 census.