| Business | Phone |
| Matheson Postal Svc 2500 Poplar St, Oakland 94607 | (510) 893-5404 |
| Us Post Office 9201 E 14th St, Oakland 94603 | (510) 000-1111 |
| Us Post Office 1301 Clay St, Oakland 94612 | (510) 000-1111 |
| Us Post Office 1445 34th Ave, Oakland 94601 | (510) 000-1111 |
| Us Post Office 1446 Franklin St, Oakland 94612 | (510) 000-1111 |
| Us Post Office 1675 7th St, Oakland 94615 | (510) 000-1111 |
| Us Post Office 1954 Mountain Blvd, Oakland 94611 | (510) 000-1111 |
| Us Post Office 1955 Broadway, Oakland 94612 | (510) 000-1111 |
| Us Post Office 201 13th St, Oakland 94612 | (510) 000-1111 |
| Us Post Office 2226 Macarthur Blvd, Oakland 94602 | (510) 000-1111 |
| Us Post Office 300 Lakeside Dr, Oakland 94612 | (510) 000-1111 |
| Us Post Office 3521 Maybelle Ave, Oakland 94619 | (510) 000-1111 |
| Us Post Office 4869 Telegraph Ave, Oakland 94609 | (510) 000-1111 |
| Us Post Office 490 Lake Park Ave, Oakland 94610 | (510) 000-1111 |
| Us Post Office 5000 Macarthur Blvd, Oakland 94613 | (510) 000-1111 |
| Us Post Office 560 14th St, Oakland 94612 | (510) 000-1111 |
| Us Post Office 577 W Grand Ave, Oakland 94612 | (510) 000-1111 |
| Us Post Office 8033 Macarthur Blvd, Oakland 94605 | (510) 000-1111 |
| Us Post Office 8495 Pardee Dr, Oakland 94621 | (510) 000-1111 |