The IRS routes on your principal business, office or agency. If you formed the entity in Delaware, Wyoming or Nevada but run it from Iowa, you use the Ogden center above. Filing on the basis of your state of incorporation is the single most common routing mistake.
Where to file Form 2553 in Iowa
If your business operates in Iowa, Form 2553 goes to the IRS Ogden service center. You can fax it or mail it — it cannot be filed online.
Fax it to
855-214-7520
Keep the transmission report. It is your proof of filing.
Or mail it to
Department of the Treasury Internal Revenue Service Ogden, UT 84201Sending by FedEx, UPS or another courier
Couriers cannot deliver to the ZIP-only IRS address. Use this street address instead:
Internal Revenue Submission Processing Center 1973 Rulon White Blvd. Ogden, UT 84201It is where you operate, not where you formed
Filing is only half the state picture — see the full Iowa S-corp tax guide for how Iowa treats the election, state taxes, and payroll registration.
Your next deadline
For a calendar-year business electing for 2027, the deadline is March 15, 2027. You can file at any time during 2026 for a 2027 effective date. There is no extension. How the deadline is calculated.
Where you register for payroll in Iowa
An S corporation has to run payroll for its working owners, and that means a state registration on top of the federal election.
(1) Withholding: register for an Iowa Withholding Permit with the Iowa Department of Revenue through GovConnectIowa (govconnect.iowa.gov) — the permit number and filing frequency are issued immediately on completing online registration; then file withholding deposits/returns on the assigned frequency and the annual Verified Summary of Payments (VSP) with W-2s. (2) Unemployment insurance/SUTA: register with Iowa Workforce Development through myIowaUI (myiowaui.org) for a UI account number, issued immediately on online registration, then file quarterly wage detail and contributions.
Before you send it
- Sign and date page 1 by hand. The IRS did not make those boxes fillable, so they cannot be typed.
- Have every owner sign and date Column K on page 2. A typed name is not a consent, and a missing one is the most common rejection reason.
- If mailing, send the original rather than a photocopy, and use certified mail with return receipt.
The full pre-send checklist covers printing, copies and what to keep as proof.
What goes wrong in Iowa
The mandatory IA PTE-C composite return. Iowa is one of the few states where composite filing for nonresident owners is REQUIRED rather than elective, and the S corporation itself must remit the tax. One out-of-state shareholder — including an owner who moved away, or a spouse or family member holding shares — creates an entity-level Iowa filing and payment obligation under Iowa Code 422.16B that DIY owners almost never anticipate, and the only outs are a timely PTET election or a narrow exemption in Iowa Admin. Code r. 701. Second: the IA 1120S is due APRIL 30, not March 15 and not April 15, and while the 6-month extension is automatic with no form, it is only automatic if no Iowa tax is owed — an S corp making the PTET election must pay 90% of the tax by April 30 to keep the extension, so the "automatic, no form needed" extension quietly stops being automatic the moment you elect PTET.
Filing from a different state?
Look up any state below.
The IRS routes on your principal business, office or agency — not where you incorporated. A Delaware LLC run from Ohio uses Ohio.
IRS Ogden service centerServes 27 jurisdictions
Fax
855-214-7520
Sending by FedEx, UPS or another courier?
Couriers cannot deliver to the ZIP-only IRS address. Use the street address instead:
Internal Revenue Submission Processing Center 1973 Rulon White Blvd. Ogden, UT 84201Fax or mail?
Faxing is faster and gives you an immediate transmission report. Certified mail with return receipt gives you dated proof of filing, which is stronger evidence if the IRS later says it never arrived. Keep whichever proof you get — it is the only thing that establishes your filing date. If you mail it, send the original rather than a photocopy.
Expect Notice CP261 within about 60 daysVerified July 30, 2026 against irs.gov
Form 2553 cannot be e-filed. Mail or fax is the only way to submit it.
Nearby in the Ogden group: Kansas, Louisiana, Minnesota, Mississippi, Missouri, Montana.
Questions about filing from Iowa
Where do I mail Form 2553 from Iowa?
Send it to the IRS Ogden service center: Department of the Treasury, Internal Revenue Service, Ogden, UT 84201. If you are using a courier such as FedEx or UPS, use the street address instead: Internal Revenue Submission Processing Center, 1973 Rulon White Blvd., Ogden, UT 84201.
What is the fax number for Form 2553 in Iowa?
855-214-7520. That is the IRS Ogden service center, which handles 27 jurisdictions including Iowa. Keep the transmission confirmation — it is your proof of filing.
I incorporated elsewhere but operate in Iowa. Which address applies?
Iowa, because the IRS routes on your principal business, office or agency rather than your state of incorporation. A Delaware or Wyoming entity operated from Iowa uses the Ogden center.
Does Iowa need anything beyond the federal election?
No Iowa income or franchise tax on an ordinary S corp by default, BUT Iowa Code 422.16B makes composite filing and tax remittance on behalf of nonresident shareholders MANDATORY — a real entity-level liability. Iowa automatically recognizes the federal S election; there is no separate Iowa S election. Per the 2025 IA 1120S instructions: "Every S corporation doing business in Iowa or deriving income or loss from real, tangible, or intangible property located or…
How long does the IRS take to respond?
The IRS says to expect Notice CP261 within about 60 days. It does not publish a live processing estimate for Form 2553, so treat that as its stated expectation rather than a guarantee. If nothing arrives, call 800-829-4933 with your proof of filing.
Want the form completed for you?
Scorply fills in your Form 2553, works out the right effective date, handles every shareholder consent, and hands you a checklist with this address already on it.
Start my Form 2553Iowa sources
Address and fax number verified against irs.gov on July 30, 2026. The IRS changes these occasionally — we re-check regularly, but confirm against irs.gov if you are filing close to a deadline.