| Arrow Small Anim Hosp | 14737 Arrow Blvd | Fontana | 92335 | 1-909-822-3157 |
| Banfield - Fontana | 15042 Summit Av | Fontana | 92336 | 1-909-646-9351 |
| Fontana Anim Hosp | 16153 Foothill Blvd | Fontana | 92335 | 1-909-355-5600 |
| Foothill Anim Hosp | 17312 Foothill Blvd #C | Fontana | 92335 | 1-909-350-3157 |
| Humane Anim Hosp | 9257 Sierra Av | Fontana | 92335 | 1-909-829-8893 |
| Sierra Anim Hosp | 16736 Arrow Blvd | Fontana | 92335 | 1-909-350-7807 |
| Anim Hosp of FV | 9525 Garfield Ave | Fountain Valley | 92708 | 714-962-6621 |
| Anim Medical Ctr | 16540 Harbor Blvd Ste A | Fountain Valley | 92708 | 714-531-1155 |
| Banfield - Fountain Valley | 17940 Newhope St | Fountain Valley | 92708 | 714-444-1207 |
| Brook-Ellis Pet Hosp | 18542 Brookhurst St | Fountain Valley | 92708 | 714-963-0440 |
| Brookfield Pet Hosp Plus | 9029 Garfield Ave | Fountain Valley | 92708 | 714-962-1369 |
| Ellis Park Anim Hosp | 10661 Ellis Ave | Fountain Valley | 92708 | 714-963-8363 |
| Mile Square Anim Hosp | 11362 Warner Ave | Fountain Valley | 92708 | 714-546-7676 |
| VCA - All Care Anim Hosp | 18440 Amistad St Ste E | Fountain Valley | 92708-6916 | 714-963-0909 |
| Warner Ave Anim Hosp | 8546 Warner Ave | Fountain Valley | 92708 | 714-540-5252 |
| Westhaven Vet Hosp | 16161 Brookhurst St | Fountain Valley | 92708 | 714-775-5544 |
| Airport Anim Hosp | 2433 W Commonwealth Ave | Fullerton | 92833 | 714-879-4531 |
| Anim Health Ctr | 2407 E Orangethorpe Ave | Fullerton | 92831 | 714-871-0960 |
| Anim Medical Clinic | 3257 Associated Rd | Fullerton | 92835 | 714-990-1411 |
| Aspen Pet Clinic | 1010 East Chapman Ave | Fullerton | 92831 | 714-870-9497 |
| Banfield - Fullerton | 1411 S Harbor Blvd | Fullerton | 92831 | 714-738-4879 |
| Commonwealth Anim Hosp | 1941 W Commonwealth Ave | Fullerton | 92833 | 714-525-2355 |
| Fullerton Anim Hosp | 422 N Euclid St | Fullerton | 92832 | 714-525-2202 |
| Fullerton Hills Pet Clinic Inc | 1805 North Euclid St | Fullerton | 92835 | 714-879-4380 |
| Noahs Ark Anim Hosp | 422 N Euclid St | Fullerton | 92832 | 714-525-2202 |
| Sunnycrest Anim Care | 951 W Bastanchury Rd | Fullerton | 92835 | 714-871-3000 |
| Tri-City Pet Hosp | 1145 S Placentia Ave | Fullerton | 92831 | 714-870-9090 |