What state is the area code 803?

Answer 1

There could be various exchanges beginning with 803 with the particular area code being the determining factor. In other words, an 803 telephone number could be in more than one area code.

Answer 2

Area code 803 is the area code for South Carolina and one of the original area codes established in 1947. Back then the whole of South Carolina used this area code, nowadays upstate uses area code 864 and the coastal region 843.