Lake Oswego zipcode
| City | Lake Oswego |
| ZIP Code | 97034 |
| Type | Standard |
| State Code | OR |
| State | Oregon |
ZIP code of Lake Oswego is 97034. This place is located in Oregon state in US. To send any postal service to Lake Oswego, you must use 97034 zipcode.
You should avoid following 2 city names of Oregon to be used with the ZIP code 97034.
- Lake Grove, OR
- Oswego, OR