Mailing addresses

Each address links to its source page and shows the date we last checked it.

Lists: credit bureau addresses and IRS addresses by form.

• ChexSystems freeze, dispute and report request: where each one goes

  ChexSystems freeze requests go online, to 800-887-7652, or by letter to PO Box 583399, Minneapolis, MN 55458. Checked 13 Nov 2026, with dispute and report routes.

• Equifax dispute address for mailing a credit report dispute

  Equifax dispute address: Equifax Information Services LLC, P.O. Box 740256, Atlanta, GA 30374-0256. Checked on equifax.com 13 Nov 2026, with what to enclose.

• Experian dispute address for mailing a credit report dispute

  Experian dispute address: Experian, Dispute by Mail, P.O. Box 4500, Allen, TX 75013. Checked on experian.com 13 Nov 2026, with what Experian asks you to enclose.

• Innovis security freeze, dispute and report request: where each one goes

  Innovis security freeze requests go online, to 1-866-712-4546, or to PO Box 530088, Atlanta, GA 30353-0088. Checked 13 Nov 2026, with dispute and report routes.

• LexisNexis freeze, opt-out and dispute: where each request goes

  LexisNexis freeze requests go online, to 1-800-456-1244, or to P.O. Box 105108, Atlanta, GA 30348-5108. Checked 13 Nov 2026, with opt-out and dispute routes.

• Where to mail your federal tax return: IRS addresses for Form 1040

  Where to mail your federal tax return: the Form 1040 address for your state, with or without a payment, checked against irs.gov on 13 Nov 2026.

• Where to mail Form 2553: IRS address and fax number by state

  Where to mail Form 2553: Kansas City, MO 64999 or Ogden, UT 84201, by state, with the IRS fax number for each. Checked against irs.gov on 13 Nov 2026.

• Where to mail Form 4868: IRS addresses by state

  Where to mail Form 4868: the IRS address for your state, with or without a payment, read from the IRS form on 13 Nov 2026. The form has no signature line.

• Where to mail Form 7004: the IRS address for each return

  Where to mail Form 7004: the IRS address by return (1120, 1120-S, 1065, 1041) and state, checked against irs.gov on 13 Nov 2026. No signature required.

• Where to mail Form 940: IRS mailing addresses by state

  Where to mail Form 940: the IRS address for your state, with or without a payment, checked against irs.gov on 13 Nov 2026. Plus the 2027 due date.

• Where to mail Form 941: IRS mailing addresses by state

  Where to mail Form 941: the IRS address for your state, with or without a payment, checked against irs.gov on 13 Nov 2026. Plus 2027 due dates.

Independent service. Not affiliated with USPS, the IRS or any government agency.