About this number
(574) 643 is a landline based telephone number operated by Frontier North, Inc. - In and is located in zip code 46978 in the city of Royal Center, Indiana, which is in Cass County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 574 and Network Numbering Exchange (NXX - also known as a prefix) of 643. It has an Operating Company Number (OCN) of 772. A Common Language Location Identifier (CLLI) of RYCTINXARS0. As well as a Local access and transport area (LATA) of 336. Zip code 46978 has a population of 2,059 as of the 2010 census.