About this number
(870) 583 is a landline based telephone number operated by Windstream Arkansas, Inc. and is located in zip code 71971 in the city of Umpire, Arkansas, which is in Howard 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 583. It has an Operating Company Number (OCN) of 1691. A Common Language Location Identifier (CLLI) of UMPRARXARS0. As well as a Local access and transport area (LATA) of 528. Zip code 71971 has a population of 513 as of the 2010 census.