Post Offices List in Sunnyvale City, California:
| Encinal Post Office | 526 W Fremont Ave, Sunnyvale, CA 94087 |
| Sunnyvale Post Office | 209 E Java Dr, Sunnyvale, CA 94089 |
| Plaza Sunnyvale Post Office | 510 E El Camino Real Ste C, Sunnyvale, CA 94087 |
| Encinal Post Office | 526 W Fremont Ave, Sunnyvale, CA 94087 |
| Sunnyvale Post Office | 209 E Java Dr, Sunnyvale, CA 94089 |
| Plaza Sunnyvale Post Office | 510 E El Camino Real Ste C, Sunnyvale, CA 94087 |