About this number
(812) 637 is a landline based telephone number operated by Cincinnati Bell, Inc. and is located in zip code 45030 in the city of Harrison, Indiana, which is in Hamilton 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 637. It has an Operating Company Number (OCN) of 9348. A Common Language Location Identifier (CLLI) of HRSNOHHRRS0. As well as a Local access and transport area (LATA) of 922. Zip code 45030 has a population of 17,921 as of the 2010 census.