About this number
(740) 543 is a landline based telephone number operated by Frontier North, Inc. - Oh and is located in zip code 43903 in the city of Amsterdam, 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 543. It has an Operating Company Number (OCN) of 615. A Common Language Location Identifier (CLLI) of AMSTOHXARS0. As well as a Local access and transport area (LATA) of 324. Zip code 43903 has a population of 2,208 as of the 2010 census.