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HSChapter 03
U.S. imports of frozen clams (HS 030772) totaled $1.4M in April 2026, traded with 5 countries.
Importers of Frozen Clams paid $19K in duties in April 2026 — an effective duty rate of 9.0% on $215K in dutiable value, based on actual customs collections rather than the published tariff schedule. Frozen Clams imports of $1.4M in April 2026 ran 10% above the year-to-date monthly average of $1.3M.
Last updated: April 2026 dataFrozen clams serve a broad range of end uses — from restaurant chowder bases to retail seafood blends — making this a commercially active heading with diverse supplier geography. Canada leads US imports, supplying surf clams and other Atlantic species, while Vietnam has grown significantly as a source of frozen clam meat for food-manufacturing applications. The US schedule distinguishes geoduck clams (0307720030), other clams excluding geoduck and Stimson's clams (0307720055), a transitional 'other' clam line (0307720050), and frozen cockles and ark shells (0307720060), so importers must identify both species and product form to select the correct 10-digit line. FDA seafood HACCP requirements apply, and frozen clam products from certain origins have been subject to FDA import alerts; supplier qualification and third-party audit documentation are standard risk-management tools for this category.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both lines cover frozen clams other than geoduck, but 0307720055 specifically excludes both geoduck and Stimson's clams, while 0307720050 is a broader 'other' line. In practice, importers should determine whether their product is geoduck (0307720030), Stimson's clam, or another species, and classify accordingly. When the species is ambiguous or a new variety, a binding ruling from CBP provides the most reliable guidance.
Freezing alone is not a substantial transformation, so clam meat frozen in a country different from where the clams were harvested generally retains the harvest country as its country of origin. However, if the clam meat undergoes further processing — such as cooking, mincing, or incorporation into a prepared product — a substantial transformation analysis may shift the origin. Importers sourcing from complex supply chains should seek a CBP binding ruling to confirm origin before entry.
Supplier Network
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 0307720055 | CLAMS, FROZEN, EXCEPT GEODUCK AND STIMSON'S CLAMS | $1.4M | 8.91% | $17K |
| 0307720060 | COCKLES AND ARK SHELLS, FROZEN | $23K | 10.00% | $2K |
| 0307720030 | GEODUCK CLAMS, FROZEN | $0 | -- | -- |
CLAMS, FROZEN, EXCEPT GEODUCK AND STIMSON'S CLAMS
COCKLES AND ARK SHELLS, FROZEN
GEODUCK CLAMS, FROZEN
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 0307720060 | COCKLES AND ARK SHELLS, FROZEN | $57K |
| 0307720030 | GEODUCK CLAMS, FROZEN | $47K |
| 0307720050 | CLAMS,EXC GEODCK, FROZEN | $6K |
COCKLES AND ARK SHELLS, FROZEN
5.4K kg
GEODUCK CLAMS, FROZEN
3.4K kg
CLAMS,EXC GEODCK, FROZEN
875 kg
SHRIMPS AND PRAWNS, FROZEN, NESOI
HS 030617
PACIFIC, ATLANTIC, DANUBE SALMON FILLET FRESH/CHLL
HS 030441
CRABS, INCLUDING IN SHELL, FROZEN
HS 030614
ATLANTIC SALMON AND DANUBE SALMON FRESH OR CHILLED
HS 030214
PACIFIC, ATLANTIC AND DANUBE SALMON FILLETS FROZEN
HS 030481
FISH FILLETS, FROZEN, NESOI
HS 030489
| State | Imports | Exports | Balance |
|---|---|---|---|
| Illinois | $456K | -- | -$456K |
| Massachusetts | $316K | $37K | -$278K |
| California | $280K | -- | -$280K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| PORT HURON, MI | $488K | -- | -$488K |
| HOULTON, ME | $402K | -- | -$402K |
| CALAIS, ME | $286K | -- | -$286K |