Callao zipcode
| City | Callao |
| ZIP Code | 22435 |
| Type | Standard |
| State Code | VA |
| State | Virginia |
ZIP code of Callao is 22435. This place is located in Virginia state in US. To send any postal service to Callao, you must use 22435 zipcode.
You should avoid following 1 city name of Virginia to be used with the ZIP code 22435.
- Walmsley, VA