Hyannis Office Address: 1644 Falmouth Rd, Centerville, MA 02632 (Directions) Phone: (774) 810-7100 Fax: (781) 605-3482 Email: hyannis@etstaxservice.com Services: Accounting, Audit, ITIN Number, Notary Public, Passport, Payroll, Power of Attorney, Tax Return and Translation. The Team Jane DoeAccounting Manager John DoeTranslator Richard DoeConsultant Jane DoeAccounting Manager John DoeTranslator Richard DoeConsultant