Post Offices List in Federal Way City, Washington:
| Twin Lakes Auburn Post Office | 1815 Sw Campus Dr, Federal Way, WA 98023 |
| Federal Way Post Office | 32829 Pacific Hwy S, Federal Way, WA 98003 |
| Twin Lakes Auburn Post Office | 1815 Sw Campus Dr, Federal Way, WA 98023 |
| Federal Way Post Office | 32829 Pacific Hwy S, Federal Way, WA 98003 |