Contact Us. Office of Aviation Consumer Protection. 1200 New Jersey Ave, SE Washington, DC 20590 United States. Phone: (202) 366-2220 Business Hours: 8:30am-5:00pm ET, M-F. If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services. Service dog ID cards help to quickly identify your dog as a service dog. Emotional support animals require medical note not older than one year, and an accompanying veterinary health form. Notify United at least 48 hours in advance of bringing an ESA on board. ... Please see American Airlines policy on service dogs and emotional support animals. .