Shamrock Bank, N.A. on Your Credit Report
In short: Shamrock Bank, N.A. is a national bank chartered by the Office of the Comptroller of the Currency, operating from Coalgate, Oklahoma. FDIC records place the charter's origin at January 1, 1924 and assign it certificate 4236. The 06/30/2026 call report lists $501 million in assets across 8 FDIC-reported offices. Because Shamrock Bank, N.A. originates its own paper rather than buying it, the documentation behind any tradeline sits with the bank — which is what makes a §623 direct dispute worth filing here. Information that is inaccurate, incomplete, or unverifiable can be disputed under the FCRA. Outcomes depend on what the furnisher can verify, and results vary.
Who Shamrock Bank, N.A. actually is
Charter details above are from the FDIC BankFind public database.
What makes this creditor different
Shamrock Bank, N.A. is recorded by the FDIC under certificate 4236 as a national bank chartered by the Office of the Comptroller of the Currency, with 8 offices in Oklahoma and $501 million in assets at the 06/30/2026 call report.
How Shamrock Bank, N.A. appears on your credit report
Shamrock Bank, N.A. furnishes this tradeline directly rather than acquiring it, so the underlying documentation sits with the bank itself. With an Oklahoma charter and 8 FDIC-reported offices, Shamrock Bank, N.A. adjudicates these disputes internally. Put it in writing, name the specific field you say is inaccurate, and file the §611 dispute alongside it. No outcome is promised — what happens depends on the underlying documentation.
Names it may report under
Products that commonly show up
- ◆Deposit-linked overdraft lines attached to Shamrock Bank, N.A. checking accounts
- ◆Installment loans originated across the 8 Oklahoma offices of Shamrock Bank, N.A.
- ◆Construction and lot loans underwritten locally by Shamrock Bank, N.A. in Coalgate
Grounds to dispute a Shamrock Bank, N.A. entry
Each of these is a reason a Shamrock Bank, N.A. tradeline may be inaccurate or unverifiable. None of them assures removal — they are the angles worth checking on your own report.
- ◆In-branch payment in Coalgate posted after the due date and reported 30 days late
- ◆Balance not updated to zero after Shamrock Bank, N.A. completed the payoff
- ◆Duplicate Shamrock Bank, N.A. tradeline created when the loan was renumbered internally
- ◆Account balance or credit limit reported incorrectly
- ◆Payment reported late when it was made inside the grace period
- ◆Date of first delinquency re-aged to extend how long it can report
- ◆Account still reporting as open after it was closed, or vice versa
- ◆Duplicate tradeline for the same account after an internal transfer
- ◆Account belongs to someone else with a similar name, or is the result of identity theft
Disputing an original creditor is not the same as disputing a collector
Shamrock Bank, N.A. is an original creditor — the institution whose name was on the account when it was opened. That matters for two reasons. First, the FDCPA, which governs debt collectors, generally does not apply to a creditor collecting its own debt in its own name, so the “debt validation” request that works against a collection agency is not the right tool here. Second, as the furnisher of the tradeline, Shamrock Bank, N.A. has direct obligations under FCRA §623 to investigate a dispute you send it and to correct or delete information it cannot verify as accurate.
Dispute with the bureaus — FCRA §611
File with Equifax, Experian and TransUnion. They must generally investigate within 30 days and tell the furnisher. Free, and you can do it yourself.
Dispute with the furnisher — FCRA §623
Send Shamrock Bank, N.A. a direct written dispute. It must investigate and must not continue reporting information it knows is inaccurate. Keep copies and proof of delivery.
Shamrock Bank, N.A. questions, answered
Does the FDIC insure deposits at Shamrock Bank, N.A.?
It is insured, and certificate 4236 is the number to quote. The FDIC lists a national bank chartered by the Office of the Comptroller of the Currency, headquartered Coalgate, OK, chartered January 1, 1924, reporting $501 million and 8 offices as of 06/30/2026.
Who supervises Shamrock Bank, N.A. if a dispute goes nowhere?
Shamrock Bank, N.A. answers primarily to the Office of the Comptroller of the Currency. If a §611 and a §623 dispute both return "verified" against paperwork you hold, take it to the CFPB; FCRA §§616–617 also create a private right of action. You do not need to pay anyone to do either. The Shamrock Bank, N.A. head office in Coalgate is the right address for the written record.
How many credit-card complaints does the CFPB show against Shamrock Bank, N.A.?
No number is published here. When we queried the CFPB credit-card complaint data, no company key matched Shamrock Bank, N.A. exactly, and we will not approximate one by partial-name matching — that routinely pulls in unrelated companies with similar names. Rather than imply a count we cannot source, we leave it out. The database is public and searchable at consumerfinance.gov.
How long can a Shamrock Bank, N.A. charge-off stay on my credit report?
The seven-year window runs from first delinquency on the underlying Shamrock Bank, N.A. account. Transfers, charge-offs and sales are irrelevant to that date. A first-delinquency field that shifts forward on a later pull is re-aging and should be disputed on that basis alone.
What is the difference between disputing with Shamrock Bank, N.A. and disputing with a collector?
Go to whoever holds the documents. Shamrock Bank, N.A. has the signed application and the posting history; an assignee generally has a spreadsheet row. That is why a §623 direct dispute to Shamrock Bank, N.A. tends to produce a substantive answer rather than a rubber-stamp verification.
Does Shamrock Bank, N.A. report to all three credit bureaus?
Furnishing is voluntary under the FCRA, so Shamrock Bank, N.A. — 8 offices in Oklahoma — may report to one or two bureaus rather than all three. Compare the three files side by side: differing balances are usually timing, but differing account status or first-delinquency dates are disputable.
I see duplicate Shamrock Bank, N.A. tradelines — is that allowed?
One account showing twice is a classic conversion artifact. Shamrock Bank, N.A. has operated since 1924, and a charter that old has usually been through at least one core-system migration. An account may legitimately appear under a predecessor name, but the same debt must not report twice with two balances. Dispute the duplicate and name both tradelines.
Can I dispute a Shamrock Bank, N.A. account myself without paying anyone?
No payment is required. Writing to the bureaus under §611 or to Shamrock Bank, N.A. under §623 costs you postage. Paid help is optional and cannot unlock anything extra; results depend entirely on what the documentation shows, and accurate entries stay put.
Where is Shamrock Bank, N.A. headquartered, and does that affect my dispute?
Shamrock Bank, N.A. is headquartered in Coalgate, Oklahoma, with 8 FDIC-reported offices. Headquarters does not change your federal rights — the FCRA applies identically everywhere — but it does tell you which state banking regulator shares oversight, which matters if you escalate past the CFPB.
Other creditors on credit reports
This page is general information about consumer rights, not legal advice, and does not create an attorney-client relationship. Crowned Credit is not affiliated with, endorsed by, or sponsored by Shamrock Bank, N.A.; company names are used only to identify the institution a consumer may see on a credit report. Crowned Credit does not promise any particular outcome; results vary by individual circumstances and by what a furnisher is able to verify. Accurate, verifiable information generally cannot be removed from a credit report. You have the right to dispute inaccurate information yourself, for free, directly with the credit bureaus and with the furnisher.
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