IRS Oklahoma Customer Service Number, Internal Revenue Service Oklahoma Offices, Center Address, Hours, Phone Number

IRS Oklahoma Customer Service Number, Internal Revenue Service Oklahoma branch offices, addresses, customer service centers, locations, taxpayer centers, hours of operations, toll free helpline number, customer support number and email id with information like IRS application, inquiry, filing, payments, refunds, credits and deductions, help and resources, appointment information in Oklahoma and their cities.

Taxpayers who are looking IRS Oklahoma customer service phone number or toll free phone number of IRS Oklahoma, and Internal Revenue Service Oklahoma contact number, IRS Taxpayer Assistance Centers (TACs) in Oklahoma, etc. So, as this page we are sharing all contact information of IRS Oklahoma customer service department including Internal Revenue Service Oklahoma customer service office address, telephone number, fax number and official web page link.

IRS Oklahoma Customer Service Contact Details

Below, we are furnished the contact information of IRS Oklahoma customer service help teams. You can also get the details of IRS Oklahoma office address, important contact numbers and enquiry numbers. The customers who want to share their complaints, suggestions, feedback and reviews with the IRS (Internal Revenue Service) Oklahoma can use the various contact modes we are sharing in this article below.

IRS Branch Offices and Taxpayer Assistance Centers (TACs) in Oklahoma:

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City Street Address Days/Hours of Service Telephone* 
Enid 601 S. Harding
Enid, OK 73703
Monday-Friday 8:30 a.m.-4:30 p.m.
(Closed for lunch 12:30 p.m.-1:30 p.m.) **This office closes at 3:30 p.m. 3/31** **This office is closed 4/1 & 4/4**
(580) 234-5417
Lawton 2202 SW A Ave.
Lawton, OK 73501
Monday-Friday 8:30 a.m.-4:30 p.m.
(Closed for lunch 12:30 p.m.-1:30 p.m.)
(580) 357-5492
Oklahoma City 55 N. Robinson
Oklahoma City, OK 3102
Monday-Friday 8:30 a.m.-4:30 p.m.(405) 297-4057
Tulsa 1645 S. 101st East Ave.
Tulsa, OK 74128
Monday-Friday 8:30 a.m.-4:30 p.m.(918) 622-8482

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Internal Revenue Service Oklahoma e-help Desk Toll-Free Number:
  • 1-866-255-0654 (Within the United States)
  • 1-512-416-7750 (outside the United States)
  • e-help desk Hours of Operations: Monday thru Friday 6:30 AM – 6:00 PM Central Time
IRS Oklahoma Customer Service Phone Number:
  • 1-800-829-1040 toll free for Individuals
  • 1-800-829-4933 toll free for Businesses
  • 1-877-829-5500 toll free for Exempt Organizations
  • 1-877-829-5500 toll free for Retirement Plan Administrators
  • 1-877-829-5500 toll free for Government Entities
  • 1-800-829-4059 TDD Toll-Free for people with hearing impairments
  • Hours of Operation: Monday – Friday, 7 a.m. – 7 p.m. your local time (Oklahoma & Oklahoma follow Pacific Time)

IRS Oklahoma Customer Service Email ID: Click here

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IRS Corporate Headquarters Office Address:

Location: Internal Revenue Service Headquarters Building, 1111 Constitution Avenue, Northwest, Washington, District of Oklahoma, DC, United States

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Useful Links of IRS Oklahoma Customer Service Support:

Click here for general help and support online

Click here to find local IRS Branch Offices

Click here to find Taxpayer Assistance Centers

Click here to get online Help and Resources

Click here to Contact your local Taxpayer Advocate

Click here to File Paper Tax Returns

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If you are unable to connect with the IRS Oklahoma customer service representatives, kindly you can contact to the your local customer service support by following the above mentioned IRS Oklahoma customer service, local office address, telephone numbers, fax numbers, email ids and more. You can also contact to the offices located in your city or can visit the customer service office directly, send an email, and write a letter. For further details we recommend you to visit the official website of IRS.

IRS Official Website: www.irs.gov

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