About this number
(712) 552-0012 is a landline based telephone number operated by Heartland Telecom Company Of I and is located in zip code 51023 in the city of Hawarden, Iowa, which is in Sioux County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 712, a Network Numbering Exchange (NXX - also known as a prefix) of 552 and a subscriber number of 0012. It has an Operating Company Number (OCN) of 1109. A Common Language Location Identifier (CLLI) of HWRDIAAERS5. As well as a Local access and transport area (LATA) of 630. It was first assigned for usage on 01/01/1901. Zip code 51023 has a population of 3,216 as of the 2010 census.