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HSChapter 16
U.S. imports of prepared or preserved clams, cockles & arkshells (HS 160556) totaled $4.0M in July 2026, traded with 15 countries.
Importers of Prepared or Preserved Clams, Cockles & Arkshells paid $534K in duties in July 2026 — an effective duty rate of 16% on $3.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Prepared or Preserved Clams, Cockles & Arkshells imports of $4.0M in July 2026 ran 39% above the year-to-date monthly average of $2.9M.
Last updated: July 2026 dataVietnam and China together account for the bulk of US imports of prepared and preserved clams, cockles, and arkshells, reflecting the large-scale aquaculture and processing capacity in Southeast and East Asia. The US tariff schedule is notably granular for this heading: razor clams in airtight containers (1605561000), whole or chopped boiled clams not over 680 grams gross weight (1605561500), and clams in airtight containers not elsewhere specified (1605562000) each carry their own 10-digit lines, making precise product specification essential for correct classification. Cockles and arkshells are classified separately from clams throughout the schedule. FDA prior notice and seafood HACCP compliance are mandatory for all entries; consult a licensed customs broker or FDA to confirm admissibility requirements for specific product forms.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
137 shipments/mo
The US schedule distinguishes razor clams in airtight containers, clams boiled whole or chopped and salted in packages not over 680 grams gross weight, and clams in airtight containers generally — each at a separate 10-digit line. Getting the container type, processing method, and package weight wrong can result in misclassification, so importers should confirm these specifications with their supplier before filing entry.
No. While all three fall under HS6 heading 160556, cockles and arkshells are separated from clams at the 10-digit level (1605560090 and 1605566000), and composite products containing fish meat or prepared meals have their own line (1605560500). Accurate species and product-form identification is necessary to select the correct tariff line.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 1605562000 | Clams in Airtight Containers, NESOI | $1.4M | 13.70% | 77.35% | $193K |
| 1605563000 | Clams, Prepared or Preserved, NESOI | $1.2M | 10.44% | 81.54% | $125K |
| 1605561000 | Razor Clams in Airtight Containers | $636K | 11.67% | 100.00% | $74K |
| 1605561500 | Clams Boiled Whole/Chopped/Salted Nov 680grams Gw | $457K | 25.14% | 100.00% | $115K |
| 1605566000 | Cockles & Arkshells, Prepared or Preserved, NESOI | $234K | 11.28% | 92.47% | $26K |
| 1605560500 | Clam, Cockle,Etc,Products W/ Fish Meat; Prep Meals | $54K | 1.52% | 15.22% | $815 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 1605560010 | Clams, Prepared or Preserved | $614K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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ImportsExports
Imports
$4.0MYoY · Pro
Exports
$614KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Vietnam and China together supply 69% of it.
customs district
destination
entry
rate provision · imports
10.8% enters free of duty; the effective duty rate is 13.40%.