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Truckload Operations Center
Toll free: 800-531-5354
Local: 210-515-5501

Dallas Regional Customer Service Center Houston Regional Customer Service Center
Toll free: 800-232-1415 Toll free: 800-992-2768
Local: 972-241-2266 Local: 713-692-1093

San Antonio Customer Service Laredo Regional Customer Service Center
Toll free: 800-533-1071 Toll free: 800-531-5355
Local: 210-662-2330 Local: 956-722-7551

Austin Customer Service El Paso Customer Service
512-272-8207 915-772-9575

Harlingen Customer Service Corpus Christi Customer Service
Toll free: 800-323-4525 361-289-5171
Local: 956-423-2135


Effective 2/11/2019 SMT will implement a 5.9 percent general rate increase affecting our interstate and intrastate class tariff SMT500. Minimums will be increased by $2.00. This general rate increase is being made to offset industry specific cost increases and to support our on-going investments to improve our service offerings. Our new rate base will be available on our website by the effective date. If you have questions please contact your sales representative. Thank you.


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.