What is the phone number to get companies phone numbers?
 Numbers for insurance company of the at-fault party to start a claim: 21st Century Insurance: (800) 322-8200. AIG Auto Insurance: (888) 244-6163. AIG Private Client: (888) 760-9195. Allstate Insurance: Phone: (800) 386-6126. America First Insurance: (877) 263-7890. 