Region List
- 29250 - Columbia, Richland, South Carolina
- 29260 - Columbia, Richland, South Carolina
- 29290 - Columbia, Richland, South Carolina
- 29292 - Columbia, Richland, South Carolina
- 29216 - SC Dept of Motor Vehicles, Columbia, Richland, South Carolina
- 29218 - SC Electric and Gas, Columbia, Richland, South Carolina
- 29214 - SC Tax Comm, Columbia, Richland, South Carolina
- 29201 - State Hospital, Columbia, Richland, South Carolina
- 29225 - University of SC Students Mail, Columbia, Richland, South Carolina
- 29208 - USC, Columbia, Richland, South Carolina
- 29226 - Wachovia, Columbia, Richland, South Carolina
- 29227 - Wachovia, Columbia, Richland, South Carolina