Contacting the National Supplier Clearinghouse

Mailing Address
National Supplier Clearinghouse
Palmetto GBA
P.O. Box 100142
Columbia, SC 29202-3142

Overnight Mailing Address
National Supplier Clearinghouse
Palmetto GBA
Building One
2300 Springdale Drive
Camden, SC 29020

NSC Customer Service Line (toll-free)
(866) 238-9652
Monday - Friday, 9 am until 5 pm, EST

Fax Numbers
If your business is in: GA, FL, NC, SC, VA, DC, MD, DE, NJ, CT, RI, NY, MA, VT, NH, ME, Puerto Rico or the Virgin Islands, you should use the NSC East Team fax number (803) 935-1203.

If your business is in: MI, OH, PA, WV, IN, KY, TN, AL, MS, AR, LA, OK, TX you should use the NSC Central Team fax number (803) 935-0024.

If your business is in: WA, OR, CA, ID, NV, MT, WY, UT, AZ, CO, NM, ND, SD, NE, KS, MN, IA, MO, WI, IL, Guam, Northern Mariana Islands or America Samoa. You should use the NSC West Team fax number (803) 935-9166.


If you need to fax information to the NSC Supplier Audit and Compliance Unit (SACU) please use fax number (803) 935-9148.