About this number
(712) 551 is a landline based telephone number operated by Hawarden Municipal Utilities 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 and Network Numbering Exchange (NXX - also known as a prefix) of 551. It has an Operating Company Number (OCN) of 8708. A Common Language Location Identifier (CLLI) of HWRDIAADRS0. As well as a Local access and transport area (LATA) of 630. Zip code 51023 has a population of 3,216 as of the 2010 census.