| Zip Code | Primary City | Secondary City | More Information |
| 94803 | El Sobrante | Richmond | Richmond population stats |
| 94803 | El Sobrante | San Pablo | San Pablo population stats |
| 94806 | San Pablo | Richmond | Richmond population stats |
| 94820 | El Sobrante | Richmond | Richmond population stats |
| 94805 | Richmond | San Pablo | San Pablo population stats |
| 94801 | Richmond | Richmond | Richmond population stats |
| 94802 | Richmond | Richmond | Richmond population stats |
| 94804 | Richmond | Richmond | Richmond population stats |
| 94806 | San Pablo | San Pablo | San Pablo population stats |
| 94807 | Richmond | Richmond | Richmond population stats |
| 94808 | Richmond | Richmond | Richmond population stats |
| 94850 | Richmond | Richmond | Richmond population stats |