Grantham Supply Locations Grantham Supply Grantham Supply Address and Contact Address: 3396 US Hwy 13 South Goldsboro, NC 27530 US Phone: 919-689-2985 Fax: 919-689-3147 Email: ted@granthamsupply.com Business Hours Sun Closed Mon - Fri 8:00 am - 6:00 pm Sat 8:00 am - 5:00 pm