About this number
(740) 535 is a landline based telephone number operated by Ameritech Ohio and is located in zip code 43938 in the city of Mingo Junction, Ohio, which is in Jefferson County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 740 and Network Numbering Exchange (NXX - also known as a prefix) of 535. It has an Operating Company Number (OCN) of 9321. A Common Language Location Identifier (CLLI) of MNJTOH53RS1. As well as a Local access and transport area (LATA) of 324. Zip code 43938 has a population of 5,794 as of the 2010 census.