[calebegg]

If you enter your address on the USPS website, you can even look up the sequence number used:

https://www.usps.com/zip4/

After you enter an address, it's under "Mailing Industry Details", shown as "eLOT" (not sure what it stands for)

https://ribbs.usps.gov/index.cfm?page=elot

[mh-]

eLOT = Enhanced Line of Travel