About this number
(843) 303 is a landline based telephone number operated by McI Worldcom Communications, I and is located in zip code 29403 in the city of Charleston, South Carolina, which is in Charleston County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 843 and Network Numbering Exchange (NXX - also known as a prefix) of 303. It has an Operating Company Number (OCN) of 288B. A Common Language Location Identifier (CLLI) of CHTNSCPSX3Y. As well as a Local access and transport area (LATA) of 436. It was first assigned for usage on 08/06/2003. Zip code 29403 has a population of 20,818 as of the 2010 census.