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FIRMS code

Z539 Alaska Marine Lines (East Terminal)

Active Pier or terminal

Facility details

FIRMS code
Z539
Name
Alaska Marine Lines (East Terminal)
Address
5600 W MARGINAL SW WAY
SEATTLE, WA 98106-1520
Status
Active (A)
Facility type
Pier or terminal (03)
CBP port
Seattle, WA (3001)
CBP region
7
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate Z539 before you file

Check Z539 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"Z539","port":"3001","use":"location_of_goods"}'
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Nearby facilities in the same port

CodeNameTypeDistance
Y636 ALASKA MARINE LINES Container freight station 215 m
X114 Amrize SCM Pier or terminal 218 m
X133 J A JACK & SONS Pier or terminal 407 m
X389 LEHIGH CEMENT CO Pier or terminal 549 m
Y372 CertainTeed Gypsum Pier or terminal 712 m

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.