DELIVERY
CUSTOMER SERVICE
Important – Our mailing address for payment of freight invoices has changed Please note that our mailing address for payment of freight invoices has changed effective immediately.
Our new Payment mailing address is:
Southwestern Motor Transport, Inc.
PO Box 4423, MSC# 500
Houston, Texas 77210
Truckload Operations Center
Toll free: 800-531-5354
Local: 210-515-5501
Dallas Regional Customer Service Center
Toll free: 800-232-1415
Local: 972-241-2266
Houston Regional Customer Service Center
Toll free: 800-992-2768
Local: 713-692-1093
San Antonio Customer Service
Toll free: 800-533-1071
Local: 210-662-2330
Laredo Regional Customer Service Center
Toll free: 800-531-5355
Local: 956-722-7551
Austin Customer Service 512-272-8207
512-272-8207
El Paso Customer Service
915-772-9575
Harlingen Customer Service
Toll free: 800-323-4525
Local: 956-423-2135
Online Requests
Inquiries
Points
Transit Information
Tariffs
Forms
Services
Fuel
Southwestern Motor Transport, Inc. is seeking drivers and owner operators to join our team.
Please click on Jobs link or call 1-800-533-1071 ext. 2348 for more information.



Customer Testimonials
READY TO START SHIPPING?
Currently, we serve most of the U.S.A. in truckload and LTL. We also perform thru service between Mexico, Canada, and the United States with over 350 tractors.
CONTACT US
- 210-661-6791
- Fax: 210-662-3295
- 4600 Goldfield San Antonio, TX 78218
- Shipment info:
- custserv@smtl.com