ZIP Code 98540 is located in East Olympia Washington. 98540 is entirely within Thurston County. Regionally, it is located in Metro Seattle-Tacoma.
| ZIP Code Name | East Olympia |
| Primary County | Thurston County |
| ZIP Code Type | PO Box |
| Current Time | PDT |
| Coordinates | 46.96688461,-122.83514404 |
| Adjacent ZIP Codes | |
| Region | Metro Seattle-Tacoma |
| Metropolitan/Micropolitan Stat Area | Olympia-Lacey-Tumwater, WA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| Area | 0.00425274 Square Miles |