| State | District Name | District # | Port # | Port Name |
| Texas | Laredo, TX | 23 | 01 | Brownsville-Cameron |
| 23 | 02 | Del Rio | ||
| 23 | 03 | Eagle Pass | ||
| 23 | 04 | Laredo | ||
| 23 | 05 | Hidalgo/Pharr | ||
| 23 | 07 | Rio Grande City | ||
| 23 | 09 | Progreso | ||
| 23 | 10 | Roma | ||
| 23 | 81 | Edinburg Airport | ||
| 23 | 83 | Harlingen International Airport | ||
| El Paso, TX | 24 | 02 | El Paso | |
| 24 | 03 | Presidio | ||
| 24 | 04 | Fabens | ||
| New Mexico | 24 | 06 | Columbus | |
| 24 | 07 | Albuquerque | ||
| 24 | 08 | Santa Teresa | ||
| 24 | 81 | Santa Teresa Airport | ||
| California | San Diego, CA | 25 | 01 | San Diego |
| 25 | 02 | Andrade | ||
| 25 | 03 | Calexico | ||
| 25 | 04 | San Ysidro | ||
| 25 | 05 | Tecate | ||
| 25 | 06 | Otay Mesa Station | ||
| 25 | 07 | Calexico-East | ||
| Arizona | Nogales, AZ | 26 | 01 | Douglas |
| 26 | 02 | Lukeville | ||
| 26 | 03 | Naco | ||
| 26 | 04 | Nogales | ||
| 26 | 05 | Phoenix | ||
| 26 | 06 | Sasabe | ||
| 26 | 08 | San Luis | ||
| 26 | 09 | Tucson |