Customs Broker Code Lookup: What Importers Must Know
As of July 27, 2026, U.S. importers face growing exposure to unlicensed filer fraud and broker credential lapses — risks that a simple customs broker code lookup can eliminate. CBP’s official broker verification system gives every importer access to real-time license status, filer codes, and disciplinary history for all ~2,500 licensed customs brokers operating in the United States. If you are hiring a broker, filing entries, or auditing your current compliance setup, knowing how to run this lookup is not optional.
What Happened
CBP’s customs broker code lookup has always existed as part of the agency’s broker management framework under 19 CFR Part 111, but awareness among importers — particularly small and mid-size businesses — remains low. In the first half of 2026, CBP issued several enforcement actions against importers whose entry filings were submitted by individuals using invalid or expired filer codes. In at least three publicized cases, importers faced fines under 19 USC § 1641 because the broker they hired was operating without a current active license.
Filer Code (Broker Code): A filer code is a three-character alphanumeric identifier assigned by CBP to each licensed customs broker. It appears on every Customs Entry Summary (CBP Form 7501) and is the primary identifier CBP uses to track who filed an import entry on an importer’s behalf.
CBP maintains a public-facing broker lookup database, updated quarterly, through its official portal at cbp.gov. The ACE (Automated Commercial Environment) portal, which brokers and importers use for all electronic filings, ties directly to this filer code registry. If a broker’s license is suspended or their filer code is inactive, ACE will reject filings — but only after the importer has already trusted that broker with their shipment.
The practical gap: CBP’s lookup interface is functional but not widely publicized. Most importers discover it only after a problem surfaces. This guide closes that gap.
Why It Matters to Importers
Using an unlicensed or improperly credentialed customs broker exposes importers to three categories of risk.
Compliance liability. Under 19 USC § 1641, CBP can hold the importer of record liable for errors or omissions on entries — even when those errors were made by the broker. If your broker’s license has lapsed, every entry they filed on your behalf is potentially challengeable.
Duty underpayment exposure. An unlicensed filer is less likely to correctly classify goods using hts.usitc.gov or to apply the correct antidumping and countervailing duty rates from enforcement.trade.gov/adcvd. Misclassification triggers CBP audits, back-duty assessments, and penalty proceedings.
Shipment delays. If ACE rejects an entry because the filer code is invalid, your cargo sits in a bonded warehouse accruing storage fees while you scramble to refile. At major ports like Los Angeles/Long Beach, per-container storage fees average $150–$300 per day.
The table below summarizes who bears what risk.
| Affected Party | What Changes | Severity |
|---|---|---|
| First-time importers | Entire compliance burden falls on importer of record if broker is unlicensed | High |
| E-commerce/FBA sellers | ISF and entry filings may be invalid; goods held at port | High |
| Mid-size importers | Audit risk increases; past entries filed by invalid broker open to review | Medium |
| Licensed freight forwarders | Must verify sub-contracted broker credentials to protect their own liability | Medium |
| CBP-licensed brokers | Cleaner competitive field; unlicensed operators filtered out | Low |
Affected Goods, Industries, and Trade Lanes
Broker code issues surface most frequently in high-volume, price-sensitive import lanes where buyers shop for the cheapest filing service without verifying credentials.
- Consumer electronics and textiles imported from China via air freight (LAX, JFK) — high filing volume, frequent use of informal brokers
- Food and agricultural products from Mexico through land border ports (Laredo, El Paso) — regulated under FDA Prior Notice requirements on top of CBP entry requirements
- Automotive parts from Canada and Mexico under USMCA — complex tariff preference claims that require a licensed broker to certify correctly
- Pharmaceuticals and medical devices — subject to FDA admissibility review, where a mismatched filer code can trigger an automatic hold
For goods subject to antidumping duty orders (searchable at enforcement.trade.gov/adcvd), using an unlicensed filer creates additional exposure because AD/CVD deposits must be calculated and posted accurately at time of entry. Errors in this category carry penalties up to four times the unpaid duties.
You can browse brokers by specialty — including pharmaceutical, automotive, food, and electronics — to find brokers with verified credentials in the specific category your shipment falls under.
What Importers Should Do Now
These six steps apply whether you are a first-time importer or a logistics manager auditing an existing broker relationship.
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Go to CBP.gov and run the broker lookup. Search your broker’s full legal name and cross-reference the license number they gave you. Confirm the license status shows “Active” and that the individual — not just the firm — holds a valid license under 19 CFR Part 111.
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Match the filer code on your entry summaries. Pull a recent CBP Form 7501 from your files. The three-character filer code in the header should match what CBP’s system shows for your broker. If it does not match, request an explanation in writing immediately.
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Check for disciplinary history. CBP publishes revocations and suspensions in the Federal Register. Search your broker’s name at federalregister.gov for any enforcement actions in the past five years.
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Verify through NCBFAA. The National Customs Brokers & Forwarders Association of America maintains a member directory. NCBFAA membership is not a substitute for CBP licensure, but it is an additional quality signal.
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Request a copy of the broker’s CBP license. A legitimate, licensed customs broker will hand you a copy of their CBP-issued license without hesitation. The license shows the license number, individual’s name, and the port district where the license was issued.
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If anything does not match, find a verified replacement immediately. Use CustomsBrokerIndex.com to search all CBP-licensed customs brokers by location, port of entry, or specialty. Every listing on the index is sourced from CBP’s official licensed broker data.
Background Context
CBP licenses customs brokers under authority granted by 19 USC § 1641 and administered through 19 CFR Part 111. To obtain a license, an individual must pass the Customs Broker License Examination — a 200-question test administered by CBP twice a year with a historical pass rate of approximately 15–20%. After passing, brokers apply for a license through their local CBP port director and, once approved, receive both a license number and a filer code.
Broker licenses must be renewed every three years, and brokers are required to complete continuing education to maintain compliance with current regulations. CBP can suspend or revoke a license for cause — including fraud, repeated filing errors, or failure to maintain the required customs power of attorney on file for each importer they represent.
Understanding the core duties of a customs broker — from HTS classification to ISF filing to binding ruling applications — helps importers evaluate whether their broker is actually performing all required functions or cutting corners. For a full breakdown of broker obligations, see 10 Key Customs Broker Responsibilities Explained.
Importers using third-party logistics providers should also understand the distinction between 3PL warehousing and licensed customs brokerage services. Not every 3PL holds a CBP broker license — a distinction covered in detail in 3PL With Customs Clearance and Warehousing Explained.
You can also browse brokers by U.S. port of entry to find licensed professionals who regularly file at the specific port your goods arrive through — whether that is a sea port, air cargo facility, or land border crossing.
For CBP binding rulings on classification and admissibility questions, the searchable database is available at rulings.cbp.gov. For export and trade promotion resources, the International Trade Administration provides additional guidance.
Frequently Asked Questions
What is a customs broker code lookup?
A customs broker code lookup is a search tool — available through CBP.gov — that lets importers verify whether an individual or firm holds a current, active CBP-issued customs broker license. Each licensed broker is assigned a unique filer code (also called a broker code) that CBP uses to track all entry filings. You can search by name, license number, or filer code to confirm a broker’s standing.
When did CBP’s broker verification requirements take effect?
CBP’s broker licensing and filer code framework has been in place under 19 CFR Part 111 for decades, but enhanced verification tools and ACE integration became standard practice through the 2010s. As of July 2026, CBP continues to update its public broker lookup data quarterly. Importers should verify broker credentials before signing any brokerage agreement.
Who needs to use the customs broker code lookup?
Any U.S. importer, freight forwarder, or logistics manager who is about to hire a customs broker should run a code lookup first. It is especially critical for first-time importers, e-commerce sellers importing from China or Mexico, and businesses in regulated industries like pharmaceuticals, food, and automotive parts where an unlicensed filer can trigger costly CBP enforcement actions.
What should importers do right now to verify their broker?
Go to CBP.gov and search your broker’s name or license number in the official broker lookup. Cross-check the filer code your broker uses on entry filings against the CBP record. If the codes do not match, or if the license shows as suspended or revoked, stop using that broker immediately and report the discrepancy to CBP. Then search CustomsBrokerIndex.com to find a verified, CBP-licensed replacement.
Where can importers find official customs broker licensing information?
The official source is CBP.gov, specifically the broker management section under Trade. You can also cross-reference broker license numbers against the NCBFAA member directory at ncbfaa.org. For structured, filterable search by location, port, and specialty, use CustomsBrokerIndex.com, which indexes all ~2,500 CBP-licensed brokers in the United States.