File IRS Form 941, Employer's Quarterly Federal Tax Return, at the address listed on the form's instructions based on your business location and check. The IRS assigns specific regional processing centers depending on the state where your business is located.
Form 941 reports income tax withheld, Social Security, and Medicare taxes for employees. Employers must file this form every quarter unless they qualify for a different schedule. The IRS processes filings at designated service centers, and sending it to the wrong address delays processing and may trigger penalties.
Use the most current IRS Publication 15-B, "Employer's Tax Guide," to find the correct mailing address. As of 2024, the IRS maintains six regional processing centers for Form 941, each serving specific states. Always verify the address using the latest version of the publication or the IRS website.
The IRS divides the country into six geographic zones for Form 941 submissions. Each zone handles returns from certain states and uses unique mailing addresses. Sending your form to the correct center ensures faster processing and avoids delays in refund disbursement.
For example, businesses in California, Nevada, and Arizona send Form 941 to the Internal Revenue Service, Ogden, UT 84201. Companies in New York, New Jersey, and Pennsylvania mail to the Internal Revenue Service, Kansas City, MO 64999. The IRS updates these addresses annually, so relying on outdated sources risks misfiling.
When submitting by mail, include a copy of the completed form, payment voucher (if applicable), and any supporting documents. Use certified mail with return receipt requested to confirm delivery. The IRS does not accept electronic submissions for Form 941 unless the employer has enrolled in the Electronic Federal Tax Payment System (EFTPS).
Use the following table to identify the correct address based on your business state. These addresses are current as of IRS Publication 15-B, 2024 edition.
| State(s) | Mailing Address |
|---|---|
| Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas, Virginia, West Virginia | Internal Revenue Service, Ogden, UT 84201 |
| California, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington | Internal Revenue Service, Ogden, UT 84201 |
| Arizona, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Wyoming | Internal Revenue Service, Ogden, UT 84201 |
| Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Wisconsin | Internal Revenue Service, Cincinnati, OH 45999 |
| Alaska, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New York, Rhode Island, Vermont | Internal Revenue Service, Kansas City, MO 64999 |
| Arizona, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Wyoming | Internal Revenue Service, Ogden, UT 84201 |
Notice that multiple states share the same address. For example, both California and Texas send to Ogden, Utah. This consolidation reduces processing time and improves efficiency. However, some states-like New York and New Jersey-are grouped under Kansas City, Missouri, despite being geographically distant.
Always double-check the address before sealing the envelope. A single digit error in the ZIP code can result in a return to sender. The IRS does not forward misplaced forms, and late filings incur interest and penalties under IRC §6651.
Many employers mistakenly believe they can mail Form 941 to their local IRS office or use the address for individual tax returns (Form 1040). The IRS does not operate local branches for business form submissions. All Form 941 filings go through centralized processing centers.
Another frequent error is omitting the payment voucher when sending a check. If you're paying taxes via check, attach Form 941-V, "Payment Voucher," to the back of the form. Without it, the IRS cannot match your payment to the correct return. The IRS estimates that 12% of Form 941 filings are delayed due to missing vouchers.
A lesser-known rule: if you file electronically using EFTPS, you still need to submit a paper copy if you're claiming a refund. The IRS requires a physical copy for audit trail purposes. Even if you e-file, keep a signed copy and the confirmation number for at least three years.
Consider a small landscaping company in Austin, Texas, that pays $12,000 in employee wages per quarter. The owner must calculate $1,040 in Social Security tax ($12,000 × 6.2%), $144 in Medicare tax ($12,000 × 1.45%), and $1,800 in federal income tax withholding ($12,000 × 15%). Total taxes: $2,984.
The owner completes Form 941, enters the totals, signs the form, and attaches Form 941-V with a check for $2,984. Since Texas is in the Ogden, Utah zone, the form is mailed to: Internal Revenue Service, Ogden, UT 84201. The business uses certified mail with tracking to ensure proof of delivery.
Two weeks later, the IRS sends a confirmation notice. The company receives a refund check for $500 the following month because it overpaid in the prior quarter. The entire process took 38 days from mailing to refund issuance.
Always verify the correct mailing address using the latest IRS Publication 15-B. The IRS changes addresses periodically, and outdated sources lead to misfiling. Use the official IRS website or contact the IRS Business & Self-Employed helpline at 1-800-829-4933 for verification.
Failure to file Form 941 on time results in penalties under IRC §6651(a)(1), which charges 5% of unpaid taxes per month, up to 25%. Interest accrues daily on overdue amounts. The IRS calculates penalties automatically, so accuracy and timeliness are critical.
Final reminder: where do I mail my 941 quarterly report? To the address assigned by the IRS based on your state. Use the official list in Publication 15-B. Never assume. Always verify.