Harleysville Group Insurance
GENERAL
800.523.6344
information@harleysvillegroup.com
CUSTOMER SERVICE
800.338.8301
customersupport@harleysvillegroup.com
BILLING
Harleysville Insurance
Processing Center
P.O. Box 37712
Philadelphia, PA 19101-5012
866.665.4992
CLAIMS
800.892.8877