Efile Oklahoma Tax Return

Oklahoma State Tax Filing Information

The eSmart Tax online tax return filing solution makes it easy to efile your Oklahoma state tax return using the correct state tax forms. Prepare your full-year resident Oklahoma state tax return alongside your federal tax return for your convenience.

The regular deadline to file an Oklahoma state income tax return is April 15, but Oklahoma offers a special deadline date for electronically filed returns. If you efile your return, you can file on or before April 20.

Find additional information about Oklahoma state tax forms, Oklahoma state tax filing instructions, and government information.

eSmart Tax supports the following Oklahoma Tax Forms

	Oklahoma Form 511 Individual Resident Income Tax Return
	Oklahoma Form 511-EF Oklahoma Individual Income Tax Declaration for Electronic Filing
	Oklahoma Form 511-V Individual Income Tax Payment Voucher
	And More

State OK Website and Contacts

State Website	https://www.ok.gov/tax/Individuals/index.html
Taxpayer Assistance:	(405) 521-3160 or (800) 522-8165 (In-State Only)
Refund Status (Automated Response):	(405) 521 -3160

Special Processing

Type:	Availability:
State-only tax return:	Supported
Decedent Return:	Supported
Return with foreign address:	Supported

State OR Amount Owe Payment Option

You have the following options to pay your tax:

Pay by Direct Debit from bank account. You need to make sure your bank supports direct debit.
OK support both Direct Debit and Deposit
Mail in a check.
You need to attach Payment Voucher (Form 511-V)

Mail check to:
Oklahoma Tax Commission
Income Tax
PO Box 26800
Oklahoma City, OK 73126-0800

Enclose a check or money order payable to "Oklahoma Tax Commission".
Send e-payment through state website.
Send credit card payment through online site.

Availability:	Type:	Notes:
Supported	Same as federal	N/A

State Return Type

Residency:	Return Type:	Notes:
Resident	OK-511	N/A

State OK Overpayment Option

You have the following options:

Apply your refund amount to next year's tax payment.
Contribute your refund amount to charity.
Receive your refund by check through mail.
Receive your refund by direct deposit to your bank account.