Passport Application Services - Elgin 1100 Church St Elgin, SC 29045 Phone : (803) 438-3536 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (803) 438-1700 Post Office - Elgin 1100 Church St Elgin, SC 29045 Phone : (803) 438-3536 Post Office - Elgin Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (803) 438-1700