| Business | Phone |
| Walla Walla Pub Sch Trans Dept 325 S Park St, Walla Walla 99362 | (509) 527-3019 |
| Pioneer Middle School 450 Bridge St, Walla Walla 99362 | (509) 527-3050 |
| Walla Walla Public Sch Cftr 2301 S Howard St, Walla Walla 99362 | (509) 527-3093 |
| Walla Walla Public Sch Plant 325 1/2 S Park St, Walla Walla 99362 | (509) 527-3018 |
| Wwcs Business Office 2066 E Alder St, Walla Walla 99362 | (509) 525-3675 |