Grange Insurance Association Customer Service | 800.247.2643 MyGrange Serving Six Western States Welcome to your Online Payment System for Grange Insurance Association and Granwest Property & Casualty Company. This website serves GIA and Granwest policyholders in the following states: California Colorado Idaho Oregon Washington Wyoming NOTE: If your policy is for a state other than those listed above, review your policy documentation to verify your insurance company name. Sign In Username ? Password Forgot Password Create an Account Pay without signing in Click below to make a payment without signing in. © Copyright 2021 Grange Insurance Association. Privacy Statements | Terms and Conditions GRANGE INSURANCE ASSOCIATION Corporate Office 200 Cedar Street Seattle, WA 98121 Local: 206.448.4911 Toll-Free: 800.247.2643 Claim Service Toll-Free: 800.546.8850 Customer Service / Billing Inquiries Toll-Free: 800.247.2643