Aroostook County ZIP Codes
Aroostook County is a county of Maine.
- ZIP codes
- 44
- Cities & towns
- 43
- Area codes
- 1
- Land area
- 6,671 sq mi
Every ZIP code in Aroostook County
| ZIP code | City |
|---|---|
| 04471 | Orient |
| 04497 | Wytopitlock |
| 04730 | Houlton |
| 04732 | Ashland |
| 04733 | Benedicta |
| 04734 | Blaine |
| 04735 | Bridgewater |
| 04736 | Caribou |
| 04737 | Clayton Lake |
| 04738 | Crouseville |
| 04739 | Eagle Lake |
| 04740 | Easton |
| 04741 | Estcourt Station |
| 04742 | Fort Fairfield |
| 04743 | Fort Kent |
| 04744 | Fort Kent Mills |
| 04745 | Frenchville |
| 04746 | Grand Isle |
| 04747 | Island Falls |
| 04750 | Limestone |
| 04751 | Limestone |
| 04756 | Madawaska |
| 04757 | Mapleton |
| 04758 | Mars Hill |
| 04760 | Monticello |
| 04761 | New Limerick |
| 04762 | New Sweden |
| 04763 | Oakfield |
| 04764 | Oxbow |
| 04766 | Perham |
| 04768 | Portage |
| 04769 | Presque Isle |
| 04772 | Saint Agatha |
| 04773 | Saint David |
| 04774 | Saint Francis |
| 04775 | Sheridan |
| 04776 | Sherman |
| 04779 | Sinclair |
| 04780 | Smyrna Mills |
| 04781 | Wallagrass |
| 04783 | Stockholm |
| 04785 | Van Buren |
| 04786 | Washburn |
| 04787 | Westfield |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Aroostook County codes above are listed without a column we would have to invent.
Cities and towns in Aroostook County
A further 41 places in Aroostook 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 Aroostook County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
Where Aroostook 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 Aroostook 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.