About this number
(812) 378 is a landline based telephone number operated by Ameritech Indiana and is located in zip code 47201 in the city of Columbus, Indiana, which is in Bartholomew County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 812 and Network Numbering Exchange (NXX - also known as a prefix) of 378. It has an Operating Company Number (OCN) of 9325. A Common Language Location Identifier (CLLI) of CLMBIN01DS0. As well as a Local access and transport area (LATA) of 338. Zip code 47201 has a population of 41,662 as of the 2010 census.