Cornerstone Child Development Center (Main) Share: Day Care & Child Care/Preschool Cornerstone Child Development Center (Main) Visit Website 315 Webb Road Salisbury, NC 28147 704-855-1218 Ext. 109 (704) 855-1867 (fax) About About 4 Star Quality Childcare Facility. Serves ages 6 months to 12 years of age. School age program for area Elementary schools: China Grove, Faith, Knollwood and Koontz.