Finances in Petersham, Massachusetts, the US. Finances locations in Petersham, Massachusetts. Find the nearest finances locations, near you. All types of business services Accounting Finance Real estate School Travel All finances in Petersham Petersham Tax Collector Finance Accounting +1 978-724-6620 3 South Main Street, Petersham, Massachusetts 01366 Write a review Phone Website Directions Petersham Town Treasurer Finance Accounting +1 978-724-6699 3 South Main Street, Petersham, Massachusetts 01366 Write a review Phone Directions