| Business | Phone |
| Ada W Harris Elementary School 1508 Windsor Rd, Cardiff By Sea 92007 | (760) 632-5894 |
| Cardiff District Office 1508 Windsor Rd, Cardiff By Sea 92007 | (760) 632-5890 |
| Cardiff Elementary Schl Daycr 1508 Windsor Rd, Cardiff By Sea 92007 | (760) 942-1434 |
| Cardiff Elementary Schl Daycr 1888 Montgomery Ave, Cardiff By Sea 92007 | (760) 942-1434 |
| Cardiff Elementary School Dist 1888 Montgomery Ave, Cardiff By Sea 92007 | (760) 632-5892 |
| Sanderling School 1401 Windsor Rd, Cardiff By Sea 92007 | (760) 635-3747 |