The payment address depends on your business structure and the type of tax

Where you send a quarterly tax payment is not the same for every business. The IRS has different mailing addresses for different forms, and some payments go to a lockbox facility rather than an IRS office. If you pay by mail, you need the correct address for your specific form — sending a payment to the wrong address delays processing and can trigger late-payment penalties even though you sent it on time.

The fastest and safest route is electronic payment through the IRS's Electronic Federal Tax Payment System (EFTPS) or through your tax software. These methods give you a confirmation number when ready and eliminate the risk of mail delays. If you must pay by mail, the address you use depends on whether you file Form 1040-ES (self-employed), Form 941 (payroll), Form 720 (excise tax), or another form entirely.

Key Takeaways

  • Electronic payment through EFTPS or tax software is faster and safer than mail, and you get a confirmation number the same day.
  • If you pay by mail, the address depends on your form type — Form 1040-ES, Form 941, Form 720, and others each have different lockbox addresses.
  • The IRS publishes the correct mailing address on the form itself and on the payment voucher you use.
  • Payments sent to the wrong address are not considered timely, even if postmarked on time, and can result in penalties and interest.
  • You can also pay by phone, credit card, or debit card through approved payment processors, which provide when ready confirmation.

Electronic payment: EFTPS and tax software

EFTPS is the IRS's free electronic payment system. You enroll once (it takes about a week to set up), then you can schedule payments up to 120 days in advance. You choose the payment date, and the IRS withdraws the money from your bank account on that date. You receive a confirmation number when ready, which serves as proof of payment.

Most tax software — TurboTax, H&R Block, TaxAct, and others — also lets you pay electronically during the filing process. The software calculates what you owe, you enter your bank details, and the payment is processed the same day. You get a confirmation number and receipt. This route is simpler than EFTPS if you file your return and pay at the same time, but EFTPS is better if you want to schedule payments in advance or make payments without filing a return.

Both methods are free (unless you use a paid tax software product for other reasons). The payment reaches the IRS within one to two business days, and there is no risk of mail delay or lost checks.

Mailing a check or money order

If you pay by mail, the address you use depends on your form type. The IRS publishes the correct address on the form itself and on the payment voucher. For Form 1040-ES (self-employed estimated tax), the address is printed on the voucher that comes with the form. For Form 941 (payroll tax), the address is on the form or on the Form 941-V voucher. For Form 720 (excise tax), use the address on Form 720-V.

The addresses are lockbox facilities, not local IRS offices. A lockbox is a bank facility that processes payments on behalf of the IRS. Sending a payment to an IRS office instead of the lockbox delays processing by weeks. The IRS does not accept payments at walk-in offices.

Write your Social Security number, Employer Identification Number (EIN), form type, and tax period on the check or money order. Include the payment voucher if one came with your form. Mail the payment so it arrives by the due date — postmark date does not count. If the due date falls on a weekend or holiday, the important date moves to the next business day, but the IRS does not extend the important date for mail delays.

Credit card and debit card payments

You can pay quarterly taxes by credit card or debit card through approved payment processors. The IRS does not process card payments directly; instead, it has contracts with third-party companies that handle the transaction. The main processors are PayUSATax, ACI Payments, and Worldpay.

You go to the processor's website, enter your payment amount and tax information, and provide your card details. The processor charges a convenience fee (usually 1.87% to 2.35% of the payment amount) on top of your tax bill. You receive a confirmation number when ready. The payment is reported to the IRS within one business day.

This method is useful if you want to earn credit card rewards on the payment, though the convenience fee often outweighs the reward value. It is also useful if you do not have a bank account or prefer not to give the IRS direct access to your account.

Payment by phone

The IRS allows phone payments through the same approved processors. You call the processor's phone number, provide your tax information and payment amount, and authorize the charge over the phone. You receive a confirmation number at the end of the call. The convenience fee applies here as well.

Phone payment is slower than online payment because you cannot schedule it in advance — you must call on or before the due date. It is useful if you have questions about the payment process or prefer to speak with someone, but it carries the same fee as online card payment.

What happens if you send the payment to the wrong address

If you mail a payment to an IRS office instead of the lockbox address, or to the wrong lockbox, the payment is eventually forwarded to the correct location. However, this takes weeks. During that time, the IRS's system does not show the payment as received, so you may receive a notice of underpayment and a bill for penalties and interest.

Once the payment reaches the correct lockbox, you can dispute the penalty by sending a letter explaining that you mailed the payment on time to an incorrect address. Include a copy of the cancelled check or money order as proof. The IRS may abate (remove) the penalty, but this requires a separate request and takes additional time. It is much simpler to use the correct address from the start or to pay electronically.

Finding the correct address for your specific form

The IRS publishes mailing addresses in the instructions for each form. If you file Form 1040-ES, the address is on the Form 1040-ES-V voucher. If you file Form 941, the address is on Form 941-V. If you file Form 720, the address is on Form 720-V. These vouchers are included in the form package or available on the IRS website.

You can also find the addresses on the IRS website by searching for "[Form number] mailing address" or by calling the IRS at 1-800-829-1040. The IRS website also has a tool that shows you the correct address based on your state and form type. Do not rely on addresses from previous years — the IRS occasionally changes lockbox addresses, so always check the current form or voucher.

Frequently Asked Questions

Can I pay my quarterly taxes at an IRS office in person?

No. The IRS does not accept payments at walk-in offices. You must pay by mail, electronic transfer, phone, or credit card through an approved processor. Electronic payment is the fastest and safest option.

What if I mail my payment but it arrives after the due date?

Postmark date does not count — the payment must arrive by the due date. If it arrives late, you owe penalties and interest on the unpaid amount, even if you mailed it on time. This is why electronic payment is safer: you control the payment date, and the IRS confirms receipt when ready.

Do I need to include a voucher with my mailed payment?

Yes. The voucher tells the IRS which form, tax period, and account the payment belongs to. Without it, the payment may be applied to the wrong account or held in suspense. Always include the voucher that came with your form, or print one from the IRS website.

How long does it take for the IRS to process a mailed payment?

Processing takes two to four weeks after the payment arrives at the lockbox. During that time, the IRS's system may still show you as owing the tax. Once the payment is processed, the balance updates. Electronic payments are processed within one to two business days.

Can I schedule a quarterly payment in advance through EFTPS?

Yes. EFTPS lets you schedule payments up to 120 days in advance. You choose the payment date, and the IRS withdraws the money on that date. This is useful if you want to may support the payment is made on time without having to remember the due date.