Auburn Maine ZIP Codes
Auburn holds 3 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Auburn
| ZIP code | County |
|---|---|
| 04210 | Androscoggin County |
| 04211 | Androscoggin County |
| 04212 | Androscoggin County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Auburn codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Auburn. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Auburn ZIP code begins 042. Those first three digits identify the sectional center facility that processes mail for this part of Maine. Statewide that range covers 60 ZIP codes, so Auburn accounts for 5% of it.
Every Maine ZIP prefix and the region it covers →
Area codes covering Auburn
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Auburn occupies.
Auburn Maine area codes in full →
Where Auburn's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Auburn
| City | Distance | ZIP codes |
|---|---|---|
| Lewiston Maine ZIP codes | 3.9 mi | 3 ZIP codes |
| Freeport Maine ZIP codes | 17 mi | 3 ZIP codes |
| Brunswick Maine ZIP codes | 21 mi | 1 ZIP code |
| Bath Maine ZIP codes | 23 mi | 1 ZIP code |
| Gardiner Maine ZIP codes | 24 mi | 1 ZIP code |
| Falmouth Maine ZIP codes | 26 mi | 1 ZIP code |
| Hallowell Maine ZIP codes | 26 mi | 1 ZIP code |
| Westbrook Maine ZIP codes | 27 mi | 2 ZIP codes |
Straight-line distance between place reference points, not driving distance.