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| Washington | 1 BATTALION, 346 REGIMENT | 9720 MCCALL RD, JBLM WA 98433 | 253-966-0994 |
| Washington | 1 BATTALION, 364 REGIMENT (TRAINING SUPPORT) | FORT LEWIS USARC #2, 9720 MCCALL ROAD, FORT LEWIS, WA 98433 | 253-967-3160 |
| Washington | 1 BATTLION, 356 REGIMENT (LOGISTICAL SUPPORT) | FORT LEWIS USARC #2, 9720 MCCALL ROAD , FORT LEWIS, WA 98433 | 253-966-5005 |
| Washington | 1 MAIN COMMAND POST OPERATIONAL | PO BOX 339500 MAIL STOP 59, FORT LEWIS, WA 98433 | 253-967-7128 |
| Washington | 104 TRAINING DIVISION | SSG COBY G SCHWAB USARC, 9700 MCCALL ROAD, JB LEWIS-MCCHORD, WA 98433-9500 | 253-968-7955 |