H & R Block Tax Service 55 Lake Havasu Ave S # C Lake Havasu City, AZ 86403 Phone : (928) 855-4991 H & R Block Tax Service Business Category Schools Schools-Business & Vocational Tax Return Preparation & Filing Schools-Business & Secretarial Services           Accounting, Anticipation Loans, Bookkeeping, Books, Business Planning, Commercial, Computers, Confidential, Corporations, Dental, Education, Individual, Insurance, Investment, Law School, Library, Management, Medical, Partnerships, Personal, Plan, Property, Trusts, Tuition