| Business | Phone |
| Us Post Office 8111 Firestone Blvd, Downey 90241 | (562) 000-1111 |
| Us Post Office 10345 Lakewood Blvd, Downey 90241 | (562) 000-1111 |
| Us Post Office 13003 Dahlia St, Downey 90242 | (562) 000-1111 |
| Us Post Office 7911 Imperial Hwy, Downey 90242 | (562) 861-3035 |
| Us Post Office 8051 Imperial Hwy, Downey 90242 | (562) 000-1111 |