Federal Taxation & Revenue
Internal Revenue Service (IRS)
Department of the Treasury
The nation’s tax collection agency administering the Internal Revenue Code. Handles individual, business, and non-resident alien tax returns, EIN issuance, and ITIN processing.
Direct Official Agency Access
Phone Hotline
1-800-829-1040 (Individuals) / 1-800-829-4933 (Businesses)
Primary Domain
irs.gov
Online Services Portal
https://www.irs.gov/your-account
Core IRS Procedural Services
Official Taxpayer Roadmaps & Verification Portals
Official Primary Services & Forms
Apply for an Employer ID Number (EIN) Online
Form SS-4Instant 9-digit federal tax ID for domestic corporations and LLCs with SSN/ITIN holders.
Access Official Service Portal →Where’s My Refund? Electronic Status Tracker
Form 1040 / 1040-SRReal-time tracking of tax refund status within 24 hours after e-file acknowledgment.
Access Official Service Portal →Get an Identity Protection PIN (IP PIN)
Online IP PIN PortalA 6-digit number that prevents identity thieves from filing fraudulent tax returns using your SSN.
Access Official Service Portal →IRS Free File Portal
Guided Tax PreparationFree guided tax preparation software for taxpayers earning $79,000 or less.
Access Official Service Portal →