Knox County ZIP Codes
Maine, United States · 20 codes
Knox County in Maine has 20 ZIP codes, from 04547 to 04865, serving 20 places.
ZIP codes in Knox
| ZIP Code | Places |
|---|---|
| 04547 | Friendship |
| 04563 | Cushing |
| 04574 | Washington |
| 04645 | Isle Au Haut |
| 04841 | Rockland |
| 04843 | Camden |
| 04847 | Hope |
| 04851 | Matinicus |
| 04853 | North Haven |
| 04854 | Owls Head |
| 04855 | Port Clyde |
| 04856 | Rockport |
| 04858 | South Thomaston |
| 04859 | Spruce Head |
| 04860 | Tenants Harbor |
| 04861 | Thomaston |
| 04862 | Union |
| 04863 | Vinalhaven |
| 04864 | Warren |
| 04865 | West Rockport |
Frequently asked questions
What is the ZIP code of Knox?
Knox has 20 ZIP codes, from 04547 to 04865. The table lists the places each one serves.
How many places are listed in Knox County?
20 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.