Phone number (832) 270-0709

This number is registered with the FMCSA by the following motor carrier. If a dispatcher or carrier called you from this number, check that the company details below match what they told you.

CompanyUSDOTDocketTrucksAuthority
503 TRANSPORTATION LLC 3705922MC12986521Last known: Inactive
FMCSA snapshot May 14, 2026
Fraud check: freight fraud often involves someone using a real carrier's name with a different phone number. If the caller's number does not match the one on file, call the carrier back on the registered number before tendering a load.