CBP port code · Port of entry

Rio Grande City, TX port code: 2307

The CBP port code for Rio Grande City, TX is 2307; it is in the Laredo, TX customs district (district code 23).

Port code: 2307
District: 23
State: Texas

Port details

About port code 2307

Port code	2307
Port of entry	Rio Grande City, TX
As listed	RIO GRANDE CITY, TX
Customs district	Laredo, TX (23)
State	Texas (TX)
On CBP's list	Yes, ACE Appendix E (revised 3 February 2026)

Importing through Rio Grande City, TX

Where the code goes

Where port code 2307 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 2307: FAQs

What is the port code for Rio Grande City, TX?

The CBP port code for Rio Grande City, TX is 2307. It is in the Laredo, TX customs district (district code 23).

Where is port code 2307 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 Rio Grande City, TX in?

The first two digits of a Schedule D code are its district, so 2307 is in the Laredo, TX customs district (district code 23). This list has 8 other ports of entry in that district.

How do I get a quote for shipping from India to Rio Grande City?

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.