Post Offices List in Mountlake Terrace City, Washington:
| Mountlake Terrace Post Office | 23210 57th Ave W, Mountlake Terrace, WA 98043 |
| North City Carrier Annex Post Office | 24360 Van Ry Blvd, Mountlake Terrace, WA 98043 |
| Mountlake Terrace Post Office | 23210 57th Ave W, Mountlake Terrace, WA 98043 |
| North City Carrier Annex Post Office | 24360 Van Ry Blvd, Mountlake Terrace, WA 98043 |