How do I file a claim with Foremost Insurance? You can file a claim with Foremost Insurance by calling 800-527-3907 or start a claim online at https://foremost.com/claims/ 2023-01-11T16:56:10-07:00By Matthias Allred|Foremost Insurnace|Comments Off on How do I file a claim with Foremost Insurance? Share This Story, Choose Your Platform! FacebookXLinkedInEmail About the Author: Matthias Allred Matthias is a family man, husband, and father of 3, an outdoor enthusiast, a fan of shorts and flip flops, and a trusted insurance advisor.