| Unit Address- |
| 1st Transportation Support Battalion |
| Combat Logistics Regiment 1 |
| 1st Marine Logistics Group |
| P.O. Box 555630 |
| Camp Pendleton, CA 92055-5630 |
| |
| Battalion Duty Officer - (760) 763-3067 |
| |
| Directory Assistance - (760) 725-4111 |
| |
| S-1/Admin - (760) 763-3072 |
| S-3/Ops - (760) 763-4436 |
| S-4/Logistics - (760) 763-4129 |
| S-6/Comm - (760) 763-3817 |
| Supply - (760) 763-1034 |
| Barracks Duty NCO - (760) 725-5754 |
| 1st MLG Chaplain - (760) 725-5806 |
| Family Readiness Officer - (760) 763-4433 |
| |
| HQ Company - (760) 725-6823 |
| Alpha Company- (760) 725-1205 |
| Bravo Company- (760) 763-1016 |
| Support Company- (760) 763-3320 |
| Landing Support Company- (760) 725-2525 |
| |
| Equal Opportunity (EO) - (760) 725-9784 |
| Uniformed Victim Advocate - (760) 212-8558 |
| Battalion Aid Station- (760)725-5262 |
| American Red Cross- 1-(877)272-7337 |
| Unit Voting Assistance Officer - (760) 763-3070 |
| |
| Combat Logistics Regiment 1 |
| S-1/Admin - (760) 763-9554 |
| Regimental Duty Officer - (760) 725-6429 |