| ZIP Code | 83853 |
| ZIP Code Name | Porthill |
| Primary County | Boundary County |
| ZIP Code Type | PO Box |
| Area Code(s) | 208 |
| Current Time | MST |
83853 is a United States ZIP Code located in Porthill Idaho. 83853 is entirely within Boundary County. 83853 is within the Spokane Area.
The current unemployment level in 83853 is 3.0%.| Coordinates | 48.99888611,-116.49713135 |
| Region | Spokane Area |
| Time Zone | Mountain Standard Time |
| IANA Timezone | America/Creston |
| Area | 0.00852476 Square Miles |
| US Congressional Districts in 83853 | |
| Idaho State House of Representatives Districts in 83853 | |
| Idaho State Senate Districts in 83853 |
| School Districts in 83853 |