Hancock County ZIP Codes
Hancock County is a county of Maine.
- ZIP codes
- 43
- Cities & towns
- 42
- Area codes
- 1
- Land area
- 1,587 sq mi
Every ZIP code in Hancock County
| ZIP code | City |
|---|---|
| 04408 | Aurora |
| 04416 | Bucksport |
| 04420 | Castine |
| 04421 | Castine |
| 04431 | East Orland |
| 04472 | Orland |
| 04476 | Penobscot |
| 04605 | Ellsworth |
| 04607 | Gouldsboro |
| 04609 | Bar Harbor |
| 04612 | Bernard |
| 04613 | Birch Harbor |
| 04614 | Blue Hill |
| 04616 | Brooklin |
| 04617 | Brooksville |
| 04624 | Corea |
| 04625 | Cranberry Isles |
| 04627 | Deer Isle |
| 04629 | East Blue Hill |
| 04634 | Franklin |
| 04635 | Frenchboro |
| 04640 | Hancock |
| 04642 | Harborside |
| 04644 | Hulls Cove |
| 04646 | Islesford |
| 04650 | Little Deer Isle |
| 04653 | Bass Harbor |
| 04660 | Mount Desert |
| 04662 | Northeast Harbor |
| 04664 | Sullivan |
| 04669 | Prospect Harbor |
| 04672 | Salsbury Cove |
| 04673 | Sargentville |
| 04674 | Seal Cove |
| 04675 | Seal Harbor |
| 04676 | Sedgwick |
| 04677 | Sorrento |
| 04679 | Southwest Harbor |
| 04681 | Stonington |
| 04683 | Sunset |
| 04684 | Surry |
| 04685 | Swans Island |
| 04693 | Winter Harbor |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Hancock County codes above are listed without a column we would have to invent.
Cities and towns in Hancock County
A further 41 places in Hancock County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Hancock County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
Where Hancock County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Hancock County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.