Capitol Post Office

1233 Marion St, Columbia, SC 29201

Contact Numbers

Phone: 803-733-4730
Fax: 803-733-4710
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours
PO Box Access Available

Monday 6:00am - 11:00pm
Tuesday 6:00am - 11:00pm
Wednesday 6:00am - 11:00pm
Thursday 6:00am - 11:00pm
Friday 6:00am - 11:00pm
Saturday 9:00am - 11:00pm
Sunday 9:00am - 11:00pm

Last Collection Times

Monday 11:00am
Tuesday 11:00am
Wednesday 11:00am
Thursday 11:00am
Friday 11:00am
Saturday 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 5:00am - 11:00am
Tuesday 5:00am - 11:00am
Wednesday 5:00am - 11:00am
Thursday 5:00am - 11:00am
Friday 5:00am - 11:00am
Saturday 5:00am - 11:00am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Po Box Locker
0.3 mile away

Five Points
2108 Greene St
0.6 mile away

2638 Two Notch Rd Ste 112
1.5 miles away

Eau Claire
4026 Lamar St
1.6 miles away


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I'm interested in getting a mailbix there before my family moves to south Carolina, do you have any availability, can I purchase a box before our family .moves there

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