About this number
(803) 477 is a landline based telephone number operated by At&T Local and is located in zip code 29201 in the city of Columbia, South Carolina, which is in Richland County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 803 and Network Numbering Exchange (NXX - also known as a prefix) of 477. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of CLMASCTLDS1. As well as a Local access and transport area (LATA) of 434. Zip code 29201 has a population of 20,594 as of the 2010 census.