University of California at Davis Veterinary Students
  (530)752-3602  or toll free   (800)565-1526 
Monday-Friday 6:30 pm to 9:30 pm (PT)
http://www.vetmed.ucdavis.edu/petloss/index.htm

Florida Community Volunteers
  (352)392-4700  Dial 1 and 4080
  (352)392-4700  X4744 (Joy Diaz)
Monday-Friday  7 pm to 9 pm (ET)
http://www.vetmed.ufl.edu/vmth/companions.htm

Michigan State University Veterinary Students
(517)432-2696  Tuesday to Thursday 6:30 PM to 9:30 PM (ET)
http://cvm.msu.edu/petloss/index.htm

Chicago VMA Veterinarians and Staffs
(630)325-1600 Leave Voicemail Message
Calls will be returned 7 PM to 9 PM (CT)

Virginia-Maryland Regional College of Veterinary Medicine
  (540)231-8038   Tuesday, Thursday, 6 PM to 9 PM (ET)

Ohio State University Veterinary Students
  (614)292-1823  Monday, Wednesday, Friday, 6:30 PM to 9:30 PM (ET)
Voicemail messages will be returned, collect, during operating hours.

Tufts University Veterinary Students
  (508)839-7966  Monday-Friday, 6 PM to 9 PM (ET)
Voicemail messages will be returned daily, collect outside Massachusetts
http://www.tufts.edu/vet/petloss/

Pet Loss Support Hotline hosted by the Iowa State University College of Veterinary Medicine
  (888)ISU-PLSH  (  888-478-7574 ) Operational seven days a week, 6 PM to 9 PM (CST) from Sept-April; Monday, Wednesday, Friday from 6:00-9:00 PM (CST) from May-August
http://www.vetmed.iastate.edu/animals/petloss/

Cornell University Pet Loss Support Hotline
  (607)253-3932   Tuesday-Thursday 6-9 PM (ET)
Voicemail messages will be returned
http://web.vet.cornell.edu/public/petloss/

University of Illinois Veterinary Students
  (217)244-2273  or toll-free   (877)394-2273 (CARE)
Sunday, Tuesday, Thursday evenings 7-9 PM (CT)
http://www.cvm.uiuc.edu/CARE/

Pet Loss Hotline, Washington State University, College of Veterinary Medicine
  (509) 335-5704  Staffed during the semester on Monday, Tuesday, Wednesday, Thursday 6:30 – 9:00 PM, Saturday 1:00-3:00 PM (PT)
http://www.vetmed.wsu.edu/plhl/index.htm