Andrea F Mckiver (Postmaster)
andrea.f.mckiver@usps.gov
1233 Marion St
Columbia, SC 29201
Columbia, SC 29201
The Capitol Post Office is located in the state of South Carolina within Richland County. This location serves 20,594 Columbia residents with a median income of $28,188. It's estimated that approximately 32,870 packages pass through this post office each year.