Sumter County Post Office

Find Sumter County South Carolina post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Dalzell Post Office 4235 Camden Highway Dalzell SC 29040 803-499-4060


Horatio Post Office 3240 Horatio-Hagood Road Rembert SC 29128 803-499-6961

Mayesville Post Office 4650 Florence Highway Mayesville SC 29104 803-453-5634

Pinewood Post Office 20 East Clark Street Pinewood SC 29125 803-452-5747

Rembert Post Office 8335 Camden Highway Rembert SC 29128 803-432-5350

Shaw A F B Post Office 510 Nelson Avenue SC 29152 803-666-2153

Sumter Post Office 311 North Main Street Sumter SC 29150 803-773-9311

Wedgefield Post Office 2385 Highway 261 Wedgewood SC 29168 803-494-9444

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.