Global Port Directory

Seattle Port Code (USSEA)

Seattle, United States uses UN/LOCODE USSEA. Find its location, port type, coordinates, aliases, and related shipping routes.

UN/LOCODE
USSEA
Country
United States
Type
both
Region
North America
Also known as
Tacoma

Seattle is listed in CargoEnter's port directory under UN/LOCODE USSEA. The code combines the ISO country code US with a three-character location identifier.

UN/LOCODE values help normalize port references across carrier milestones, shipping documents, and route data. Always confirm the terminal or facility when a city contains multiple cargo locations.

Browse related port-to-port routes to review approximate routing and transit-time context.

Shipping routes through Seattle

35 routes are listed for Seattle.

  • Guangzhou to Seattle: 12–18 days by sea.
  • Hong Kong to Seattle: 12–18 days by sea.
  • Ningbo to Seattle: 12–18 days by sea.
  • Qingdao to Seattle: 12–18 days by sea.
  • Shanghai to Seattle: 12–18 days by sea.
  • Shenzhen to Seattle: 12–18 days by sea.
  • Tianjin to Seattle: 12–18 days by sea.
  • Xiamen to Seattle: 12–18 days by sea.

Container depots in Seattle

Confirm the assigned depot in your carrier release instructions.

Documents for cargo through United States

Customs authority: U.S. Customs and Border Protection (CBP). Estimated clearance time: 1-5 business days (standard), same-day possible for expedited entries.

  • Commercial Invoice (required): Detailed invoice with value, description, HS codes, origin
  • Packing List (required): Itemized list of package contents, weights, dimensions
  • Bill of Lading / Air Waybill (required): Transport document from carrier
  • ISF (10+2) (required): Importer Security Filing for ocean shipments
  • CBP Form 3461 (required): Entry/Immediate Delivery form
  • CBP Form 7501 (required): Entry Summary form

Customs in United States

US Customs and Border Protection (CBP) requires ISF filing 24 hours before loading. Import duties vary by product (HTS code). Many products require FDA, USDA, FCC, or other agency approvals. Customs bonds required for commercial imports. First Sale rule may reduce duty base.

Wood packaging rules for United States

United States requires ISPM 15 treated and marked wood packaging, such as pallets and crates. Treatment methods: Heat Treatment (HT), Methyl Bromide (MB) - restricted.

Holidays that can affect this cargo

Check the dates for the current year and allow extra time around them.

  • Thanksgiving (United States): high impact, customs closed, ports closed.
  • Christmas (United States): high impact, customs closed, ports closed.
  • Independence Day (United States): medium impact, customs closed, ports closed.

Free trade zones in United States

Using this port reference

Use the UN/LOCODE and coordinates on this page to normalize Seattle Port Code (USSEA) in bookings, route data, milestone imports, and shipping documents. Confirm the exact terminal because one port area can contain several facilities.

Data limitations

Directory information supports route identification and planning. It is not a live berth schedule, terminal appointment system, or substitute for instructions from the carrier and terminal operator.

Shipping routes for Seattle

More in this directory

Frequently asked questions

What is the port code for Seattle?

The UN/LOCODE for Seattle, United States is USSEA.

Does the port code identify the terminal?

No. A UN/LOCODE identifies the port or location. Confirm the exact terminal with the carrier or terminal operator.