About this number
(870) 578 is a landline based telephone number operated by Southwestern Bell and is located in zip code 72432 in the city of Harrisburg, Arkansas, which is in Poinsett County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 870 and Network Numbering Exchange (NXX - also known as a prefix) of 578. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of HRBGARMARS1. As well as a Local access and transport area (LATA) of 528. Zip code 72432 has a population of 6,462 as of the 2010 census.