This page will generate a report of domain data, or list of values, for U.S. Customs district codes. Codes are periodically added to the system so you may want to check back for an updated listing.

Included in the comma delimited file will be the following data:

The listing of the 48 active U.S. Customs districts (we show more) is often referred to as "Schedule D" in the industry. The actual schedule lists not only the district headquarters port but also includes the other ports under the districts supervision. Although importers and exporters submit their transactions at the port level, the data are aggregated to the district level for public release. When using import data the district is the point of entry and for exports the point of exit.