CBP port code · Port of entry

New London, CT port code: 0413

The CBP port code for New London, CT is 0413; it is in the Boston, MA customs district (district code 04).

Port code: 0413
District: 04
State: Connecticut

Port details

About port code 0413

Port code	0413
Port of entry	New London, CT
As listed	NEW LONDON, CT
Customs district	Boston, MA (04)
State	Connecticut (CT)
On CBP's list	Yes, ACE Appendix E (revised 3 February 2026)

Importing through New London, CT

Where the code goes

Where port code 0413 is used

The four-digit code identifies the port on US import paperwork. Your customs broker usually enters it, but importers and exporters see it on the documents.

CBP Form 7501

The entry summary takes Schedule D codes in the port code box (where the entry is filed) and in box 20, the U.S. port of unlading.

Carrier manifest

CBP publishes its port code list for import manifests filed in ACE. The carrier's manifest names the US port of unlading by this code.

ISF for ocean cargo

The importer, or its agent, files the Importer Security Filing at least 24 hours before the container is loaded abroad. CBP matches it to the manifest by bill of lading.

Questions

Port code 0413: FAQs

What is the port code for New London, CT?

The CBP port code for New London, CT is 0413. It is in the Boston, MA customs district (district code 04).

Where is port code 0413 used?

On CBP Form 7501, the entry summary, four-digit Schedule D codes go in the port code box (the port where the entry is filed) and in box 20, the U.S. port of unlading. Carriers use the same codes for the port of unlading on their import manifests. Your customs broker normally fills these in.

Which customs district is New London, CT in?

The first two digits of a Schedule D code are its district, so 0413 is in the Boston, MA customs district (district code 04). This list has 14 other ports of entry in that district.

How do I get a quote for shipping from India to New London?

Send Atmavaan the cargo, where it is made in India and the US delivery address. We quote the routing by sea or air, and can file the ISF for ocean cargo and arrange US customs clearance.

How current is this port code?

This page uses the Census Bureau's Schedule D district and port list (April 2025 edition), checked against CBP's ACE Appendix E port code list revised 3 February 2026. CBP opens, closes and renumbers ports from time to time, so confirm the code with your customs broker before filing.

Source: Census Bureau Schedule D district and port list (April 2025), checked against CBP's ACE Appendix E port codes (revised 3 February 2026); UN/LOCODE links from the UNECE code list. Public-domain US government data. Confirm codes with your customs broker before filing.