International Services If you are a taxpayer with specific individual or business account questions you should contact the International Taxpayer Service Call Center by phone or fax. The International Call Center is operational Monday through Friday, from: 6 a.m. to 8 p.m. (Eastern time) for tax law questions 6 a.m. to 11 p.m. (Eastern time) for all other questions Tel: 267-941-1000 (not toll-free) Fax: 681-247-3101 (for international tax account issues only) If you are a tax professional or software provider calling about an e-file issue and it is not account related, please contact the e-help office in Austin at 512-416-7750 (not toll-free). Assistors are available Monday through Friday, from 7 a.m. to 6 p.m. (Central time). Taxpayer service, formerly offered at the foreign posts of duty, is no longer available. Please send your tax forms and correspondence to the applicable address indicated below. Individual taxpayers located outside the U.S. may also contact the IRS by mail at: Internal Revenue Service International Accounts Philadelphia, PA 19255-0725 Business taxpayers located outside the U.S. may also contact the IRS by mail at: Internal Revenue Service International Accounts Ogden, UT 84201-0038 Residents of Puerto Rico and the U.S. Virgin Islands may contact the IRS toll free at 800-829-1040. (Hours of Operation are 7 a.m. to 10 p.m. Monday - Friday). For face-to-face assistance information in Puerto Rico refer to Contact Your Local IRS Office. Other items of potential interest: International Taxpayer Advocate: To request Taxpayer Advocate assistance, refer to the "Living Abroad?" section on the Local Taxpayer Advocate page to determine which office to contact based on your location.
