Animal Emergency Clinic
Emergency animal hospital in O'Fallon, Missouri Call to confirm hours
- Address
- 334 Fort Zumwalt Sq
O'Fallon, MO 63366 - Phone
- (636) 240-5496
- ER hours
- Not confirmed. Call before you go.
- Type
- An emergency animal hospital
- Last checked
- October 2026
About Animal Emergency Clinic
Animal Emergency Clinic is an emergency animal hospital at 334 Fort Zumwalt Sq in O'Fallon, Missouri.
We could confirm that this emergency vet is operating, but not its exact hours. Some emergency animal hospitals are open around the clock and others cover only nights and weekends, so call first and confirm they can see your pet now.
If this hospital is full or closed, the nearest other emergency vet in our directory is VEG St. Peters in St. Peters, about 4.8 miles away.
Other emergency vets near O'Fallon
- VEG St. PetersOpen 24/7Call
- Veterinary Specialty ServicesCall to confirm hoursCall
- VEG BrentwoodOpen 24/7Call
- Animal Emergency Clinic - St. LouisCall to confirm hoursCall
- Animal Emergency Clinic of SpringfieldCall to confirm hoursCall
See every 24/7 emergency vet in Missouri.
Frequently asked questions
Is Animal Emergency Clinic open 24 hours?
We could not confirm 24/7 hours for Animal Emergency Clinic. Call (636) 240-5496 before you go to make sure the emergency team can see your pet.
Where is Animal Emergency Clinic located?
Animal Emergency Clinic is at 334 Fort Zumwalt Sq, O'Fallon, MO 63366.
What is the phone number for Animal Emergency Clinic?
The phone number is (636) 240-5496.
What is the closest other emergency vet to Animal Emergency Clinic?
VEG St. Peters in St. Peters, MO is about 4.8 miles away (straight-line distance).
How much does an emergency vet visit cost?
Most emergency hospitals charge an exam fee of roughly $100 to $250 before any tests or treatment. Bloodwork, X-rays, overnight care and surgery add to the bill. Ask for an estimate before treatment starts. See our emergency vet cost guide for typical prices.