How do I send payment after I filed and extension without payment?

I filed for an extension and did not choose to send payment. Did not realized I would receive penalty for this. Now I would like to send in my payment for state and federal. How do I do that since I already mailed my extension request?

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You can pay your balance due to the IRS with a check or money order or you can pay directly through the IRS Website here: https://www.irs.gov/payments.

If you also owe State Taxes, please click here and choose your particular State: State Tax Department Contact Info.