NPA-NXX - 864-991

This is the 864-991 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. 864
3. 864-991

The 864-991 subcode mainly covers Greenville in Greenville 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 Level 3. 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 451225 comments across our systems for the 864-991 subcode.