ESTHER CASTANEDA » Agency Wide Contact Information Go back to directory. Add to Address Book. ESTHER CASTANEDA ASSISTANT TEACHER – 8 HES Yuma AZ 85365 work Work Phone: 928-305-1652work Work Fax: 928-305-9431workfax Work Email: estherc@wacog.comINTERNET Categories: Uncategorized Updated 5 years ago.