U.S. Income Tax

Internal Revenue Service
Austin, Texas 73301-0215
United States of America

If you plan to send your returns via courier, please use the following:

Internal Revenue Service
3651 S.IH 35
Austin, Texas 78741
United States of America
Tel: 512-460-7948

Contact Information

Taxpayers requiring IRS assistance can contact the following telephone numbers for assistance, (please note the hours of operation):

Philadelphia Service Center
Customer Service Phone: 1-215-516-2000
Customer Service Fax: 1-215-516-2555
Refund Inquires: 1-800-829-1954
(Hours of Operation: 6am-11pm U.S. EST / 6pm-11am SGP local time)

Telephone Assistance:
1-800-829-1040 (Individuals)
1-800-829-4933 (Businesses)
TeleTax: 1-800-829-4477 - Available 24 hours

FORMS REQUESTS
Tax forms distribution center: 1-800-829-3676
FAX on Demand (available 24 hours): 1-703-368-9694 *Use voice unit on machine*
INTERNET via the Worldwide Web: www.irs.gov

FOR URGENT TAX LIEN/LEVY ISSUES
Internal Revenue Service
11601 Roosevelt Blvd.
Drop Point 820 SW
Philadelphia, PA 19154

For Collection/Levy Status Account Problems:
Phone: 1-215-516-2004
Fax: 1-215-516-6931
Taxpayer Advocate Office:
Phone: 1-215-516-2499
Fax: 1-215-516-2677

INTERNATIONAL TAXPAYER ADVOCATE SERVICE
Internal Revenue Service
San Patricio Office Center, Room 200
7 Tabomico Street
Guaynabo, Puerto Rico 00966
Phone: 1-787-622-8930
Fax: 1-787-622-8933

ELECTRONIC SERVICES
IRS Home Page: www.irs.gov
Electronic Pavment Website: www.eftps.gov
E-Services Help Desk: 1-512-416-7750
Automatic Extension of Time to File (Form 4868): 1-888-796-1074

Refund Information: Go to www.irs.gov
Click on "Where's my refund?"
Follow the prompts

Tax Law Questions: Go to www.irs.gov
Click on “help” in the top menu
Click on “Tax Law Questions”
Follow the prompts

ITIN – Form W-7
IRS Philadelphia Service Center
ITIN Unit
P.O. Box 447
Bensalem, PA 19020
After 30 days: 1-215-516-4846 or 1-800-829-1040

Exempt Organization Help Desk: 1-877-829-5500

Tax Offset Program (TOP) Help Desk: 1-800-304-3107