Freeport, TX

ZIP code 77542 is a PO Box–only postal code associated with Freeport in Brazoria County, on the Texas Gulf Coast, rather than a conventional residential delivery area. The surrounding Freeport area is centered on Port Freeport and Dow’s large chemical and petrochemical complex. Nearby coastal landmarks include the Brazos River mouth, Quintana Beach County Park, and Surfside Beach, known for fishing and beach access.