routingcode

noun
UK /ˈruːtɪŋ kəʊd/
US /ˈruːtɪŋ koʊd/

A routing code is a special set of letters or numbers that helps send something to the right place.

The post office used the routing code to send the package to the correct city.


OTHER MEANINGS

2. A short code in a computer network that tells data which path to take.

The router read the routing code and forwarded the message to the right server.

3. A code used by banks to identify where a payment should be sent.

She checked the routing code before transferring the money.

4. A label on a parcel that shows which delivery route it belongs to.

The worker scanned the routing code and put the box on the right truck.