NPA-NXX - 803-400

This is the 803-400 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 803
3. 803-400

The 803-400 subcode mainly covers Columbia in Richland county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of South Carolina state. Many of the numbers in this subcode are Regular Landline registered to At&t Southeast. We hear they employ a large number of people in the South Carolina office.
Recently there have been an increase in reported calls, we've had over 384504 comments across our systems for the 803-400 subcode.