You can also access a copy of this through your online account or mobile app. Most insurance companies now provide access to your policy documents electronically. If you need a hard copy, you can print it out directly from there. If you need a copy mailed, you may have to call them.
You can also check with your state to see if they allow electronic insurance documents. Some states now allow proof of insurance to be shown electronically. If you have your ID card or proof of insurance on your phone, you can use that as proof.