what is the address to send federal quarterly tax?

To send federal quarterly tax payments, the address depends on the form you are using and your location. Generally, if you are sending a payment with Form 1040-ES, you can use the address specified in the Form 1040-ES instructions for your state. For most taxpayers, the address is typically the IRS Processing Center for their state, which you can find on the IRS website. Always verify the latest information on the IRS website or consult a tax professional to ensure accuracy.