26 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 89436 | Sparks | 49,544 |
| 89506 | Reno | 47,046 |
| 89502 | Reno | 46,691 |
| 89521 | Reno | 41,859 |
| 89431 | Sparks | 39,833 |
| 89523 | Reno | 37,130 |
| 89509 | Reno | 35,632 |
| 89511 | Reno | 30,956 |
| 89503 | Reno | 30,249 |
| 89512 | Reno | 28,030 |
| 89433 | Sun Valley | 23,016 |
| 89508 | Reno | 14,858 |
| 89441 | Sparks | 14,460 |
| 89451 | Incline Village | 9,285 |
| 89519 | Reno | 9,110 |
| 89704 | Washoe Valley | 4,846 |
| 89501 | Reno | 3,507 |
| 89439 | Verdi | 2,532 |
| 89510 | Reno | 1,457 |
| 89442 | Wadsworth | 808 |
| 89557 | Reno | 546 |
| 89424 | Nixon | 370 |
| 89412 | Gerlach | 137 |
| 89402 | Crystal Bay | 118 |
| 89450 | Incline Village | 0 |
| 89405 | Empire | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 26 ZCTAs in Washoe County, Nevada (US Census).